./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-73.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-73.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 fea034b185eb170bda203e71fa4eb6cc1343cd0e0827f102f7529e69bba63218 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:47:07,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:47:07,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-04 00:47:07,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:47:07,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:47:07,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:47:07,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:47:07,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:47:07,522 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:47:07,522 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:47:07,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:47:07,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:47:07,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:47:07,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:47:07,524 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:47:07,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:47:07,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:47:07,525 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:47:07,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 00:47:07,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:47:07,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:47:07,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:47:07,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:47:07,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:47:07,526 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:47:07,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:47:07,526 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:47:07,526 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:47:07,526 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:47:07,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:47:07,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:47:07,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:47:07,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:47:07,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:47:07,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:47:07,527 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:47:07,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:47:07,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 00:47:07,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 00:47:07,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:47:07,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:47:07,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:47:07,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:47:07,528 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 -> fea034b185eb170bda203e71fa4eb6cc1343cd0e0827f102f7529e69bba63218 [2025-03-04 00:47:07,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:47:07,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:47:07,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:47:07,790 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:47:07,790 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:47:07,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-73.i [2025-03-04 00:47:09,028 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39952263/d644ddd4727f4e5bb1187c2955243573/FLAGcd8dc08de [2025-03-04 00:47:09,276 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:47:09,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-73.i [2025-03-04 00:47:09,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39952263/d644ddd4727f4e5bb1187c2955243573/FLAGcd8dc08de [2025-03-04 00:47:09,305 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39952263/d644ddd4727f4e5bb1187c2955243573 [2025-03-04 00:47:09,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:47:09,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:47:09,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:47:09,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:47:09,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:47:09,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0a8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09, skipping insertion in model container [2025-03-04 00:47:09,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:47:09,445 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-73.i[915,928] [2025-03-04 00:47:09,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:47:09,517 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:47:09,524 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-73.i[915,928] [2025-03-04 00:47:09,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:47:09,563 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:47:09,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09 WrapperNode [2025-03-04 00:47:09,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:47:09,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:47:09,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:47:09,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:47:09,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,614 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2025-03-04 00:47:09,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:47:09,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:47:09,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:47:09,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:47:09,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,636 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 00:47:09,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,645 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:47:09,650 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:47:09,650 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:47:09,650 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:47:09,651 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (1/1) ... [2025-03-04 00:47:09,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:47:09,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:47:09,679 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 00:47:09,684 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 00:47:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:47:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:47:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:47:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 00:47:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:47:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:47:09,760 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:47:09,763 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:47:09,989 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L131: havoc property_#t~bitwise17#1;havoc property_#t~short18#1; [2025-03-04 00:47:10,007 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-03-04 00:47:10,007 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:47:10,020 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:47:10,021 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:47:10,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:47:10 BoogieIcfgContainer [2025-03-04 00:47:10,021 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:47:10,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:47:10,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:47:10,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:47:10,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:47:09" (1/3) ... [2025-03-04 00:47:10,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168c1c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:47:10, skipping insertion in model container [2025-03-04 00:47:10,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:09" (2/3) ... [2025-03-04 00:47:10,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168c1c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:47:10, skipping insertion in model container [2025-03-04 00:47:10,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:47:10" (3/3) ... [2025-03-04 00:47:10,029 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-73.i [2025-03-04 00:47:10,038 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:47:10,040 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-73.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:47:10,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:47:10,089 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;@2b3609da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:47:10,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:47:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 47 states have internal predecessors, (62), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 00:47:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-04 00:47:10,104 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:47:10,104 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:47:10,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:47:10,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:47:10,109 INFO L85 PathProgramCache]: Analyzing trace with hash -2117984451, now seen corresponding path program 1 times [2025-03-04 00:47:10,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:47:10,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815177747] [2025-03-04 00:47:10,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:47:10,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:47:10,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-04 00:47:10,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-04 00:47:10,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:47:10,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:47:10,371 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2025-03-04 00:47:10,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 00:47:10,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815177747] [2025-03-04 00:47:10,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815177747] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 00:47:10,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513737799] [2025-03-04 00:47:10,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:47:10,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 00:47:10,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:47:10,377 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 00:47:10,379 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 00:47:10,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-04 00:47:10,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-04 00:47:10,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:47:10,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:47:10,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 00:47:10,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:47:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2025-03-04 00:47:10,570 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:47:10,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513737799] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:47:10,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 00:47:10,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 00:47:10,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099510464] [2025-03-04 00:47:10,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:47:10,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 00:47:10,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 00:47:10,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 00:47:10,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:47:10,593 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 47 states have internal predecessors, (62), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-04 00:47:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:47:10,620 INFO L93 Difference]: Finished difference Result 134 states and 224 transitions. [2025-03-04 00:47:10,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 00:47:10,622 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2025-03-04 00:47:10,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:47:10,629 INFO L225 Difference]: With dead ends: 134 [2025-03-04 00:47:10,629 INFO L226 Difference]: Without dead ends: 67 [2025-03-04 00:47:10,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 00:47:10,636 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 00:47:10,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 00:47:10,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-03-04 00:47:10,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2025-03-04 00:47:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 00:47:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 99 transitions. [2025-03-04 00:47:10,676 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 99 transitions. Word has length 139 [2025-03-04 00:47:10,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:47:10,678 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 99 transitions. [2025-03-04 00:47:10,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-04 00:47:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2025-03-04 00:47:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-04 00:47:10,682 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:47:10,682 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:47:10,689 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 00:47:10,887 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 00:47:10,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:47:10,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:47:10,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1504283932, now seen corresponding path program 1 times [2025-03-04 00:47:10,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:47:10,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298574078] [2025-03-04 00:47:10,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:47:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:47:10,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-04 00:47:11,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-04 00:47:11,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:47:11,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:47:11,102 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 00:47:11,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-04 00:47:11,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-04 00:47:11,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:47:11,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:47:11,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 00:47:11,251 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 00:47:11,252 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 00:47:11,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 00:47:11,256 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-04 00:47:11,327 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 00:47:11,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:47:11 BoogieIcfgContainer [2025-03-04 00:47:11,329 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 00:47:11,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 00:47:11,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 00:47:11,330 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 00:47:11,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:47:10" (3/4) ... [2025-03-04 00:47:11,334 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 00:47:11,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 00:47:11,336 INFO L158 Benchmark]: Toolchain (without parser) took 2027.23ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 46.0MB in the end (delta: 67.2MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2025-03-04 00:47:11,339 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:47:11,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.24ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 99.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 00:47:11,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.00ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 96.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:47:11,339 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 93.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:47:11,339 INFO L158 Benchmark]: IcfgBuilder took 371.22ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 72.9MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 00:47:11,340 INFO L158 Benchmark]: TraceAbstraction took 1306.04ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 46.8MB in the end (delta: 25.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2025-03-04 00:47:11,340 INFO L158 Benchmark]: Witness Printer took 5.47ms. Allocated memory is still 142.6MB. Free memory was 46.8MB in the beginning and 46.0MB in the end (delta: 795.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:47:11,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.24ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 99.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.00ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 96.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.56ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 93.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 371.22ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 72.9MB in the end (delta: 20.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1306.04ms. Allocated memory is still 142.6MB. Free memory was 72.4MB in the beginning and 46.8MB in the end (delta: 25.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 5.47ms. Allocated memory is still 142.6MB. Free memory was 46.8MB in the beginning and 46.0MB in the end (delta: 795.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 7.325; [L23] double var_1_3 = 63.8; [L24] double var_1_4 = 256.6; [L25] double var_1_5 = 2.375; [L26] double var_1_6 = 25.8; [L27] unsigned char var_1_7 = 1; [L28] double var_1_8 = 1.5; [L29] unsigned long int var_1_9 = 32; [L30] unsigned long int var_1_10 = 3567543019; [L31] float var_1_12 = 31.875; [L32] signed long int var_1_13 = 128; [L33] unsigned char var_1_16 = 4; [L34] unsigned char var_1_18 = 16; [L35] signed long int var_1_19 = 64; [L36] unsigned char var_1_20 = 0; [L37] signed long int var_1_21 = 1897833385; [L38] unsigned char var_1_22 = 2; [L39] signed char var_1_23 = -5; [L40] signed char var_1_24 = -4; [L41] signed char var_1_25 = 2; [L42] signed long int var_1_26 = -1000000; [L43] float last_1_var_1_12 = 31.875; [L44] signed long int last_1_var_1_13 = 128; [L45] unsigned char last_1_var_1_16 = 4; [L46] signed long int last_1_var_1_19 = 64; VAL [isInitial=0, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_3=319/5, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] CALL updateLastVariables() [L125] last_1_var_1_12 = var_1_12 [L126] last_1_var_1_13 = var_1_13 [L127] last_1_var_1_16 = var_1_16 [L128] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_3=319/5, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L138] RET updateLastVariables() [L139] CALL updateVariables() [L90] var_1_3 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L91] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_4=1283/5, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L92] var_1_4 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L93] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_5=19/8, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L94] var_1_5 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L95] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L96] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L96] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_6=129/5, var_1_7=1, var_1_8=3/2, var_1_9=32] [L97] var_1_6 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L98] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L99] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L99] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L100] var_1_7 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_8=3/2, var_1_9=32] [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_8=3/2, var_1_9=32] [L102] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L102] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_8=3/2, var_1_9=32] [L103] var_1_8 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L104] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=3567543019, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L105] var_1_10 = __VERIFIER_nondet_ulong() [L106] CALL assume_abort_if_not(var_1_10 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L106] RET assume_abort_if_not(var_1_10 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L107] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L107] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=16, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L108] var_1_18 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L109] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L110] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L110] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=0, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L111] var_1_20 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L112] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L113] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L113] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=1897833385, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L114] var_1_21 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_21 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L115] RET assume_abort_if_not(var_1_21 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L116] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L116] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=-4, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L117] var_1_24 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_24 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L118] RET assume_abort_if_not(var_1_24 >= -126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L119] CALL assume_abort_if_not(var_1_24 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L119] RET assume_abort_if_not(var_1_24 <= 126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=2, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L120] var_1_25 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_25 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L121] RET assume_abort_if_not(var_1_25 >= -126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L122] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L122] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=255/8, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_9=32] [L139] RET updateVariables() [L140] CALL step() [L50] COND TRUE (((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10 [L51] var_1_12 = var_1_8 VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=293/40, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_8=8589934595, var_1_9=32] [L53] COND FALSE !(var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) [L60] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_8=8589934595, var_1_9=32] [L62] COND TRUE var_1_3 >= (last_1_var_1_12 * var_1_4) [L63] var_1_16 = var_1_18 VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=2, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_8=8589934595, var_1_9=32] [L65] var_1_22 = ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=-5, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_8=8589934595, var_1_9=32] [L66] COND TRUE var_1_1 > var_1_5 [L67] var_1_23 = (((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) < 0 ) ? -((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) : ((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=-1000000, var_1_7=1, var_1_8=8589934595, var_1_9=32] [L71] var_1_26 = var_1_25 VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=0, var_1_7=1, var_1_8=8589934595, var_1_9=32] [L72] COND TRUE var_1_1 < (var_1_4 - var_1_3) [L73] var_1_9 = (var_1_10 - var_1_16) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=0, var_1_7=1, var_1_8=8589934595, var_1_9=8589934586] [L75] EXPR var_1_26 >> var_1_10 VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=128, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=0, var_1_7=1, var_1_8=8589934595, var_1_9=8589934586] [L75] signed long int stepLocal_0 = var_1_26 >> var_1_10; [L76] COND TRUE stepLocal_0 < last_1_var_1_13 [L77] var_1_13 = ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=0, var_1_16=4, var_1_18=4, var_1_19=64, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=0, var_1_7=1, var_1_8=8589934595, var_1_9=8589934586] [L79] COND TRUE var_1_7 && var_1_20 [L80] var_1_19 = ((1827081742 - var_1_13) - (var_1_21 - (var_1_18 + var_1_16))) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=0, var_1_16=4, var_1_18=4, var_1_19=-320401896, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=0, var_1_7=1, var_1_8=8589934595, var_1_9=8589934586] [L140] RET step() [L141] CALL, EXPR property() [L131] EXPR ((((var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_7 ? (var_1_1 == ((double) var_1_8)) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_8))) && ((var_1_1 < (var_1_4 - var_1_3)) ? (var_1_9 == ((unsigned long int) (var_1_10 - var_1_16))) : 1)) && (((((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10) ? (var_1_12 == ((float) var_1_8)) : 1)) && (((var_1_26 >> var_1_10) < last_1_var_1_13) ? (var_1_13 == ((signed long int) ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))))) : 1) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=0, var_1_16=4, var_1_18=4, var_1_19=-320401896, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=0, var_1_7=1, var_1_8=8589934595, var_1_9=8589934586] [L131-L132] return (((((((((var_1_12 > ((var_1_3 - var_1_4) / ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_7 ? (var_1_1 == ((double) var_1_8)) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_8))) && ((var_1_1 < (var_1_4 - var_1_3)) ? (var_1_9 == ((unsigned long int) (var_1_10 - var_1_16))) : 1)) && (((((((last_1_var_1_19 / 2)) > ((~ last_1_var_1_16))) ? ((last_1_var_1_19 / 2)) : ((~ last_1_var_1_16)))) <= var_1_10) ? (var_1_12 == ((float) var_1_8)) : 1)) && (((var_1_26 >> var_1_10) < last_1_var_1_13) ? (var_1_13 == ((signed long int) ((((var_1_26) < (var_1_22)) ? (var_1_26) : (var_1_22))))) : 1)) && ((var_1_3 >= (last_1_var_1_12 * var_1_4)) ? (var_1_16 == ((unsigned char) var_1_18)) : 1)) && ((var_1_7 && var_1_20) ? (var_1_19 == ((signed long int) ((1827081742 - var_1_13) - (var_1_21 - (var_1_18 + var_1_16))))) : ((2u >= ((((var_1_21) > (var_1_9)) ? (var_1_21) : (var_1_9)))) ? (var_1_19 == ((signed long int) var_1_22)) : (var_1_19 == ((signed long int) var_1_22))))) && (var_1_22 == ((unsigned char) ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))) && ((var_1_1 > var_1_5) ? (var_1_23 == ((signed char) (((((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) < 0 ) ? -((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))) : ((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))) : (var_1_23 == ((signed char) var_1_24)))) && (var_1_26 == ((signed long int) var_1_25)) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=0, var_1_16=4, var_1_18=4, var_1_19=-320401896, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=0, var_1_7=1, var_1_8=8589934595, var_1_9=8589934586] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=255/8, last_1_var_1_13=128, last_1_var_1_16=4, last_1_var_1_19=64, var_1_10=8589934590, var_1_12=8589934595, var_1_13=0, var_1_16=4, var_1_18=4, var_1_19=-320401896, var_1_1=8589934595, var_1_20=1, var_1_21=2147483646, var_1_22=4, var_1_23=0, var_1_24=126, var_1_25=0, var_1_26=0, var_1_7=1, var_1_8=8589934595, var_1_9=8589934586] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 97 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 417 NumberOfCodeBlocks, 417 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 335 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1640/1680 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 00:47:11,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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-73.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 fea034b185eb170bda203e71fa4eb6cc1343cd0e0827f102f7529e69bba63218 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:47:13,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:47:13,386 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-04 00:47:13,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:47:13,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:47:13,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:47:13,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:47:13,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:47:13,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:47:13,428 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:47:13,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:47:13,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:47:13,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:47:13,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:47:13,429 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:47:13,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:47:13,430 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:47:13,431 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:47:13,431 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:47:13,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:47:13,432 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:47:13,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:47:13,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:47:13,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:47:13,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:47:13,433 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:47:13,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:47:13,433 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 00:47:13,433 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 00:47:13,433 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:47:13,433 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:47:13,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:47:13,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:47:13,434 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 -> fea034b185eb170bda203e71fa4eb6cc1343cd0e0827f102f7529e69bba63218 [2025-03-04 00:47:13,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:47:13,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:47:13,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:47:13,740 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:47:13,740 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:47:13,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-73.i [2025-03-04 00:47:14,958 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d06a5a4/127e5158483c469b9ef277ba3a376f12/FLAG91d910236 [2025-03-04 00:47:15,189 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:47:15,190 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-73.i [2025-03-04 00:47:15,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d06a5a4/127e5158483c469b9ef277ba3a376f12/FLAG91d910236 [2025-03-04 00:47:15,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d06a5a4/127e5158483c469b9ef277ba3a376f12 [2025-03-04 00:47:15,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:47:15,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:47:15,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:47:15,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:47:15,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:47:15,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e706fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15, skipping insertion in model container [2025-03-04 00:47:15,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:47:15,348 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-73.i[915,928] [2025-03-04 00:47:15,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:47:15,428 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:47:15,437 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-73.i[915,928] [2025-03-04 00:47:15,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:47:15,477 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:47:15,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15 WrapperNode [2025-03-04 00:47:15,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:47:15,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:47:15,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:47:15,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:47:15,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,527 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2025-03-04 00:47:15,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:47:15,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:47:15,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:47:15,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:47:15,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,552 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 00:47:15,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,563 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:47:15,579 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:47:15,579 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:47:15,579 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:47:15,580 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (1/1) ... [2025-03-04 00:47:15,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:47:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:47:15,611 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 00:47:15,620 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 00:47:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:47:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 00:47:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:47:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:47:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:47:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:47:15,703 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:47:15,705 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:47:32,963 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-03-04 00:47:32,964 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:47:32,970 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:47:32,972 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:47:32,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:47:32 BoogieIcfgContainer [2025-03-04 00:47:32,972 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:47:32,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:47:32,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:47:32,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:47:32,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:47:15" (1/3) ... [2025-03-04 00:47:32,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edc1132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:47:32, skipping insertion in model container [2025-03-04 00:47:32,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:47:15" (2/3) ... [2025-03-04 00:47:32,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edc1132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:47:32, skipping insertion in model container [2025-03-04 00:47:32,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:47:32" (3/3) ... [2025-03-04 00:47:32,979 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-73.i [2025-03-04 00:47:32,989 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:47:32,991 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount50_file-73.i that has 2 procedures, 63 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:47:33,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:47:33,033 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;@5b816d13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:47:33,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:47:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 00:47:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-04 00:47:33,043 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:47:33,044 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:47:33,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:47:33,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:47:33,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1064180112, now seen corresponding path program 1 times [2025-03-04 00:47:33,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:47:33,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173780512] [2025-03-04 00:47:33,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:47:33,056 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 00:47:33,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:47:33,060 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 00:47:33,061 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 00:47:33,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-04 00:47:34,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-04 00:47:34,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:47:34,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:47:34,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 00:47:34,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:47:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2025-03-04 00:47:34,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:47:34,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 00:47:34,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173780512] [2025-03-04 00:47:34,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [173780512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:47:34,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 00:47:34,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 00:47:34,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962231853] [2025-03-04 00:47:34,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:47:34,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 00:47:34,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 00:47:34,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 00:47:34,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:47:34,113 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-04 00:47:34,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:47:34,134 INFO L93 Difference]: Finished difference Result 120 states and 204 transitions. [2025-03-04 00:47:34,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 00:47:34,138 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 136 [2025-03-04 00:47:34,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:47:34,143 INFO L225 Difference]: With dead ends: 120 [2025-03-04 00:47:34,143 INFO L226 Difference]: Without dead ends: 60 [2025-03-04 00:47:34,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 00:47:34,148 INFO L435 NwaCegarLoop]: 89 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, 89 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 00:47:34,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 00:47:34,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-03-04 00:47:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-03-04 00:47:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-04 00:47:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2025-03-04 00:47:34,182 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 136 [2025-03-04 00:47:34,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:47:34,182 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2025-03-04 00:47:34,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-04 00:47:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2025-03-04 00:47:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-04 00:47:34,184 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:47:34,185 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:47:34,212 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 00:47:34,385 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 00:47:34,386 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:47:34,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:47:34,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2094441231, now seen corresponding path program 1 times [2025-03-04 00:47:34,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:47:34,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977463573] [2025-03-04 00:47:34,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:47:34,387 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 00:47:34,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:47:34,389 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 00:47:34,390 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 00:47:34,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-04 00:47:35,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-04 00:47:35,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:47:35,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:47:35,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 00:47:35,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:47:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 434 proven. 33 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2025-03-04 00:47:39,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 00:47:40,663 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 00:47:40,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977463573] [2025-03-04 00:47:40,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977463573] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 00:47:40,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1224733229] [2025-03-04 00:47:40,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:47:40,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2025-03-04 00:47:40,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2025-03-04 00:47:40,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2025-03-04 00:47:40,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2025-03-04 00:47:40,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-04 00:47:42,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-04 00:47:42,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:47:42,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:47:42,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 00:47:42,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:47:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 434 proven. 33 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2025-03-04 00:47:46,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 00:47:47,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1224733229] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 00:47:47,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-04 00:47:47,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2025-03-04 00:47:47,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707461702] [2025-03-04 00:47:47,220 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-04 00:47:47,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 00:47:47,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 00:47:47,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 00:47:47,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-04 00:47:47,221 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-04 00:47:54,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 00:47:58,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 00:48:02,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 00:48:06,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 00:48:10,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 00:48:14,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 00:48:19,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 00:48:21,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-04 00:48:21,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:48:21,582 INFO L93 Difference]: Finished difference Result 181 states and 267 transitions. [2025-03-04 00:48:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 00:48:21,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 136 [2025-03-04 00:48:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:48:21,629 INFO L225 Difference]: With dead ends: 181 [2025-03-04 00:48:21,629 INFO L226 Difference]: Without dead ends: 124 [2025-03-04 00:48:21,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2025-03-04 00:48:21,630 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 72 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 65 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2025-03-04 00:48:21,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 379 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 146 Invalid, 7 Unknown, 0 Unchecked, 33.5s Time] [2025-03-04 00:48:21,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-03-04 00:48:21,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 104. [2025-03-04 00:48:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-04 00:48:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2025-03-04 00:48:21,653 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 136 [2025-03-04 00:48:21,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:48:21,654 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2025-03-04 00:48:21,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-04 00:48:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2025-03-04 00:48:21,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-04 00:48:21,658 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:48:21,659 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:48:21,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2025-03-04 00:48:21,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-04 00:48:22,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:48:22,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:48:22,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:48:22,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1588882606, now seen corresponding path program 1 times [2025-03-04 00:48:22,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:48:22,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609124612] [2025-03-04 00:48:22,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:48:22,061 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 00:48:22,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:48:22,063 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-04 00:48:22,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2025-03-04 00:48:22,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-04 00:48:23,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-04 00:48:23,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:48:23,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:48:23,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-04 00:48:23,264 INFO L279 TraceCheckSpWp]: Computing forward predicates...