./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-18.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_loopvsstraightlinecode_50-1loop_file-18.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 5df12748aa4b798bbcf1e2feecf7fe8cb40f1f75b4d421387cd82f5b5b6dd575 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 23:28:45,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 23:28:45,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 23:28:45,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 23:28:45,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 23:28:45,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 23:28:45,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 23:28:45,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 23:28:45,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 23:28:45,234 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 23:28:45,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 23:28:45,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 23:28:45,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 23:28:45,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 23:28:45,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 23:28:45,237 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 23:28:45,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 23:28:45,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 23:28:45,238 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 23:28:45,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 23:28:45,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 23:28:45,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 23:28:45,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 23:28:45,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 23:28:45,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 23:28:45,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 23:28:45,238 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 -> 5df12748aa4b798bbcf1e2feecf7fe8cb40f1f75b4d421387cd82f5b5b6dd575 [2025-03-03 23:28:45,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 23:28:45,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 23:28:45,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 23:28:45,464 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 23:28:45,465 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 23:28:45,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-18.i [2025-03-03 23:28:46,601 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca1a1808/eee9c58147bf459e9ff18f5d02461282/FLAG1487137de [2025-03-03 23:28:46,821 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 23:28:46,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-18.i [2025-03-03 23:28:46,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca1a1808/eee9c58147bf459e9ff18f5d02461282/FLAG1487137de [2025-03-03 23:28:46,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca1a1808/eee9c58147bf459e9ff18f5d02461282 [2025-03-03 23:28:46,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 23:28:46,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 23:28:46,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 23:28:46,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 23:28:46,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 23:28:46,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:28:46" (1/1) ... [2025-03-03 23:28:46,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30eec23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:46, skipping insertion in model container [2025-03-03 23:28:46,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:28:46" (1/1) ... [2025-03-03 23:28:46,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 23:28:46,978 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_loopvsstraightlinecode_50-1loop_file-18.i[915,928] [2025-03-03 23:28:47,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 23:28:47,036 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 23:28:47,046 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_loopvsstraightlinecode_50-1loop_file-18.i[915,928] [2025-03-03 23:28:47,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 23:28:47,091 INFO L204 MainTranslator]: Completed translation [2025-03-03 23:28:47,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47 WrapperNode [2025-03-03 23:28:47,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 23:28:47,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 23:28:47,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 23:28:47,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 23:28:47,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,125 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2025-03-03 23:28:47,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 23:28:47,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 23:28:47,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 23:28:47,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 23:28:47,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,143 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]. [2025-03-03 23:28:47,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,147 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 23:28:47,152 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 23:28:47,152 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 23:28:47,152 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 23:28:47,153 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (1/1) ... [2025-03-03 23:28:47,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 23:28:47,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 23:28:47,182 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) [2025-03-03 23:28:47,189 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 [2025-03-03 23:28:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 23:28:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 23:28:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 23:28:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 23:28:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 23:28:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 23:28:47,268 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 23:28:47,270 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 23:28:47,519 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-03-03 23:28:47,519 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 23:28:47,529 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 23:28:47,530 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 23:28:47,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:28:47 BoogieIcfgContainer [2025-03-03 23:28:47,531 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 23:28:47,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 23:28:47,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 23:28:47,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 23:28:47,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:28:46" (1/3) ... [2025-03-03 23:28:47,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5718d33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:28:47, skipping insertion in model container [2025-03-03 23:28:47,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:47" (2/3) ... [2025-03-03 23:28:47,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5718d33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:28:47, skipping insertion in model container [2025-03-03 23:28:47,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:28:47" (3/3) ... [2025-03-03 23:28:47,538 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-18.i [2025-03-03 23:28:47,547 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 23:28:47,550 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-18.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 23:28:47,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 23:28:47,605 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;@1a736397, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 23:28:47,605 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 23:28:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-03 23:28:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-03 23:28:47,617 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 23:28:47,618 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 23:28:47,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 23:28:47,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 23:28:47,622 INFO L85 PathProgramCache]: Analyzing trace with hash 978714816, now seen corresponding path program 1 times [2025-03-03 23:28:47,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 23:28:47,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178698460] [2025-03-03 23:28:47,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:28:47,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 23:28:47,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-03 23:28:47,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-03 23:28:47,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:28:47,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 23:28:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-03 23:28:47,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 23:28:47,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178698460] [2025-03-03 23:28:47,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178698460] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-03 23:28:47,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171020074] [2025-03-03 23:28:47,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:28:47,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 23:28:47,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 23:28:47,828 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) [2025-03-03 23:28:47,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 23:28:47,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-03 23:28:47,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-03 23:28:47,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:28:47,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 23:28:47,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 23:28:47,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 23:28:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-03 23:28:47,983 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 23:28:47,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171020074] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 23:28:47,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-03 23:28:47,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-03 23:28:47,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531752318] [2025-03-03 23:28:47,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 23:28:47,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 23:28:47,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 23:28:48,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 23:28:48,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 23:28:48,004 INFO L87 Difference]: Start difference. First operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-03 23:28:48,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 23:28:48,025 INFO L93 Difference]: Finished difference Result 109 states and 178 transitions. [2025-03-03 23:28:48,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 23:28:48,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2025-03-03 23:28:48,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 23:28:48,032 INFO L225 Difference]: With dead ends: 109 [2025-03-03 23:28:48,033 INFO L226 Difference]: Without dead ends: 53 [2025-03-03 23:28:48,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 23:28:48,037 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 23:28:48,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 23:28:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-03 23:28:48,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-03 23:28:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-03 23:28:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-03-03 23:28:48,083 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 102 [2025-03-03 23:28:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 23:28:48,083 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-03-03 23:28:48,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-03 23:28:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-03-03 23:28:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-03 23:28:48,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 23:28:48,087 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 23:28:48,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-03 23:28:48,291 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 [2025-03-03 23:28:48,291 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 23:28:48,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 23:28:48,292 INFO L85 PathProgramCache]: Analyzing trace with hash 10073083, now seen corresponding path program 1 times [2025-03-03 23:28:48,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 23:28:48,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732605183] [2025-03-03 23:28:48,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:28:48,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 23:28:48,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-03 23:28:48,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-03 23:28:48,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:28:48,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 23:28:48,376 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 23:28:48,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-03 23:28:48,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-03 23:28:48,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:28:48,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 23:28:48,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 23:28:48,463 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 23:28:48,464 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 23:28:48,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 23:28:48,467 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-03 23:28:48,516 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 23:28:48,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 11:28:48 BoogieIcfgContainer [2025-03-03 23:28:48,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 23:28:48,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 23:28:48,521 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 23:28:48,521 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 23:28:48,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:28:47" (3/4) ... [2025-03-03 23:28:48,523 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 23:28:48,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 23:28:48,524 INFO L158 Benchmark]: Toolchain (without parser) took 1677.68ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 82.9MB in the end (delta: 30.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2025-03-03 23:28:48,525 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 23:28:48,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.32ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 99.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 23:28:48,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.29ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 23:28:48,527 INFO L158 Benchmark]: Boogie Preprocessor took 25.58ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 94.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 23:28:48,527 INFO L158 Benchmark]: IcfgBuilder took 378.51ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 77.6MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 23:28:48,528 INFO L158 Benchmark]: TraceAbstraction took 988.26ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 83.7MB in the end (delta: -6.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2025-03-03 23:28:48,528 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 82.9MB in the end (delta: 772.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 23:28:48,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.32ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 99.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.29ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.58ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 94.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 378.51ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 77.6MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 988.26ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 83.7MB in the end (delta: -6.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 82.9MB in the end (delta: 772.1kB). 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 someBinaryArithmeticDOUBLEoperation at line 59, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryArithmeticFLOAToperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -1; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 5.5; [L25] float var_1_5 = 255.475; [L26] unsigned char var_1_7 = 0; [L27] signed char var_1_8 = -5; [L28] signed char var_1_9 = 2; [L29] unsigned char var_1_10 = 16; [L30] unsigned char var_1_11 = 16; [L31] float var_1_12 = 10000000.8; [L32] float var_1_13 = 127.7; [L33] float var_1_14 = 199.2; [L34] float var_1_15 = 999999.5; [L35] signed long int var_1_16 = -8; [L36] signed short int var_1_18 = -8; [L37] double var_1_19 = 5.4; [L38] signed char last_1_var_1_1 = -1; [L39] unsigned char last_1_var_1_10 = 16; [L40] signed long int last_1_var_1_16 = -8; VAL [isInitial=0, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_3=162/5, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L131] isInitial = 1 [L132] FCALL initially() [L133] int k_loop; [L134] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_3=162/5, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L134] COND TRUE k_loop < 1 [L135] CALL updateLastVariables() [L122] last_1_var_1_1 = var_1_1 [L123] last_1_var_1_10 = var_1_10 [L124] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_3=162/5, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L135] RET updateLastVariables() [L136] CALL updateVariables() [L95] var_1_3 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && 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_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L96] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && 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_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L97] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L97] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L98] var_1_4 = __VERIFIER_nondet_float() [L99] 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_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L99] 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_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L100] var_1_5 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_5 >= 0.0F && 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_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=0, var_1_8=-5, var_1_9=2] [L101] RET assume_abort_if_not((var_1_5 >= 0.0F && 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_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=0, var_1_8=-5, var_1_9=2] [L102] var_1_7 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_8=-5, var_1_9=2] [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_8=-5, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=-5, var_1_9=2] [L104] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=-5, var_1_9=2] [L105] var_1_8 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=2] [L106] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=2] [L107] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=2] [L107] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=2] [L108] var_1_9 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L109] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L110] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L110] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L111] var_1_11 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L112] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L113] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L113] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L114] var_1_13 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L115] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L116] var_1_14 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L117] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L118] var_1_15 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L119] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L136] RET updateVariables() [L137] CALL step() [L44] signed long int stepLocal_0 = last_1_var_1_16; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_0=-8, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L45] COND FALSE !(var_1_9 < stepLocal_0) [L50] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L52] COND TRUE \read(var_1_7) [L53] var_1_16 = var_1_8 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=50000004/5, var_1_16=126, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L57] signed long int stepLocal_2 = last_1_var_1_10; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=50000004/5, var_1_16=126, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L58] COND TRUE ! (last_1_var_1_1 > last_1_var_1_10) [L59] var_1_19 = ((((var_1_13) > ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14))))) ? (var_1_13) : ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14)))))) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=50000004/5, var_1_13=10000005, var_1_14=10000005, var_1_16=126, var_1_18=-8, var_1_19=10000005, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L65] COND TRUE var_1_5 <= (var_1_19 / var_1_3) [L66] var_1_12 = ((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=126, var_1_18=-8, var_1_19=10000005, var_1_1=-1, var_1_7=1, var_1_8=126, var_1_9=126] [L70] COND FALSE !((var_1_12 / var_1_3) > ((var_1_4 - var_1_5) * var_1_19)) [L77] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=126, var_1_18=-8, var_1_19=10000005, var_1_1=126, var_1_7=1, var_1_8=126, var_1_9=126] [L79] signed char stepLocal_1 = var_1_1; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_1=126, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=126, var_1_18=-8, var_1_19=10000005, var_1_1=126, var_1_7=1, var_1_8=126, var_1_9=126] [L80] COND FALSE !(stepLocal_1 >= (var_1_16 + var_1_10)) [L91] var_1_18 = var_1_8 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=126, var_1_18=126, var_1_19=10000005, var_1_1=126, var_1_7=1, var_1_8=126, var_1_9=126] [L137] RET step() [L138] CALL, EXPR property() [L127-L128] return (((((((var_1_12 / var_1_3) > ((var_1_4 - var_1_5) * var_1_19)) ? (var_1_7 ? (var_1_1 == ((signed char) var_1_8)) : (var_1_1 == ((signed char) var_1_9))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_9 < last_1_var_1_16) ? (((var_1_4 - var_1_5) > var_1_3) ? (var_1_10 == ((unsigned char) 8)) : 1) : (var_1_10 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_19 / var_1_3)) ? (var_1_12 == ((float) ((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) : (var_1_12 == ((float) var_1_14)))) && (var_1_7 ? (var_1_16 == ((signed long int) var_1_8)) : (var_1_16 == ((signed long int) (var_1_11 - ((((var_1_10 - var_1_10) < 0 ) ? -(var_1_10 - var_1_10) : (var_1_10 - var_1_10)))))))) && ((var_1_1 >= (var_1_16 + var_1_10)) ? ((var_1_5 < 999.5f) ? (var_1_7 ? (var_1_18 == ((signed short int) (var_1_16 + var_1_16))) : (var_1_18 == ((signed short int) var_1_8))) : (var_1_18 == ((signed short int) var_1_9))) : (var_1_18 == ((signed short int) var_1_8)))) && ((! (last_1_var_1_1 > last_1_var_1_10)) ? (var_1_19 == ((double) ((((var_1_13) > ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14))))) ? (var_1_13) : ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14)))))))) : ((last_1_var_1_10 > var_1_9) ? (var_1_19 == ((double) var_1_15)) : 1)) ; VAL [\result=0, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=126, var_1_18=126, var_1_19=10000005, var_1_1=126, var_1_7=1, var_1_8=126, var_1_9=126] [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=126, var_1_18=126, var_1_19=10000005, var_1_1=126, var_1_7=1, var_1_8=126, var_1_9=126] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=126, var_1_18=126, var_1_19=10000005, var_1_1=126, var_1_7=1, var_1_8=126, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 15, 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, 81 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 81 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 256 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 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 [2025-03-03 23:28:48,543 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_loopvsstraightlinecode_50-1loop_file-18.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 5df12748aa4b798bbcf1e2feecf7fe8cb40f1f75b4d421387cd82f5b5b6dd575 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 23:28:50,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 23:28:50,443 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 23:28:50,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 23:28:50,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 23:28:50,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 23:28:50,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 23:28:50,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 23:28:50,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 23:28:50,474 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 23:28:50,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 23:28:50,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 23:28:50,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 23:28:50,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 23:28:50,475 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 23:28:50,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 23:28:50,476 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 23:28:50,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 23:28:50,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 23:28:50,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 23:28:50,477 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 -> 5df12748aa4b798bbcf1e2feecf7fe8cb40f1f75b4d421387cd82f5b5b6dd575 [2025-03-03 23:28:50,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 23:28:50,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 23:28:50,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 23:28:50,734 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 23:28:50,735 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 23:28:50,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-18.i [2025-03-03 23:28:51,910 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e22f480/b78ed14e10bd49b78de5559fb58abd3f/FLAG44094c189 [2025-03-03 23:28:52,105 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 23:28:52,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-18.i [2025-03-03 23:28:52,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e22f480/b78ed14e10bd49b78de5559fb58abd3f/FLAG44094c189 [2025-03-03 23:28:52,131 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e22f480/b78ed14e10bd49b78de5559fb58abd3f [2025-03-03 23:28:52,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 23:28:52,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 23:28:52,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 23:28:52,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 23:28:52,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 23:28:52,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6a4d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52, skipping insertion in model container [2025-03-03 23:28:52,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 23:28:52,262 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_loopvsstraightlinecode_50-1loop_file-18.i[915,928] [2025-03-03 23:28:52,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 23:28:52,317 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 23:28:52,326 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_loopvsstraightlinecode_50-1loop_file-18.i[915,928] [2025-03-03 23:28:52,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 23:28:52,363 INFO L204 MainTranslator]: Completed translation [2025-03-03 23:28:52,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52 WrapperNode [2025-03-03 23:28:52,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 23:28:52,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 23:28:52,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 23:28:52,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 23:28:52,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,404 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2025-03-03 23:28:52,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 23:28:52,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 23:28:52,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 23:28:52,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 23:28:52,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,434 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]. [2025-03-03 23:28:52,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,442 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 23:28:52,456 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 23:28:52,456 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 23:28:52,456 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 23:28:52,457 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (1/1) ... [2025-03-03 23:28:52,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 23:28:52,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 23:28:52,488 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) [2025-03-03 23:28:52,491 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 [2025-03-03 23:28:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 23:28:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 23:28:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 23:28:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 23:28:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 23:28:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 23:28:52,579 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 23:28:52,580 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 23:29:15,800 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2025-03-03 23:29:15,800 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 23:29:15,807 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 23:29:15,808 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 23:29:15,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:29:15 BoogieIcfgContainer [2025-03-03 23:29:15,808 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 23:29:15,810 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 23:29:15,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 23:29:15,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 23:29:15,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:28:52" (1/3) ... [2025-03-03 23:29:15,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e691a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:29:15, skipping insertion in model container [2025-03-03 23:29:15,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:28:52" (2/3) ... [2025-03-03 23:29:15,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e691a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:29:15, skipping insertion in model container [2025-03-03 23:29:15,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 11:29:15" (3/3) ... [2025-03-03 23:29:15,815 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-18.i [2025-03-03 23:29:15,838 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 23:29:15,839 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-18.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 23:29:15,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 23:29:15,891 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;@f2faeb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 23:29:15,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 23:29:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-03 23:29:15,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-03 23:29:15,903 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 23:29:15,903 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 23:29:15,904 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 23:29:15,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 23:29:15,908 INFO L85 PathProgramCache]: Analyzing trace with hash 978714816, now seen corresponding path program 1 times [2025-03-03 23:29:15,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 23:29:15,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142643358] [2025-03-03 23:29:15,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:29:15,918 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 [2025-03-03 23:29:15,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 23:29:15,921 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) [2025-03-03 23:29:15,923 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 [2025-03-03 23:29:15,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-03 23:29:17,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-03 23:29:17,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:29:17,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 23:29:17,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-03 23:29:17,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 23:29:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-03-03 23:29:17,075 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 23:29:17,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 23:29:17,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142643358] [2025-03-03 23:29:17,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142643358] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 23:29:17,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 23:29:17,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-03 23:29:17,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879086625] [2025-03-03 23:29:17,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 23:29:17,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-03 23:29:17,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 23:29:17,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-03 23:29:17,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 23:29:17,098 INFO L87 Difference]: Start difference. First operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-03 23:29:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 23:29:17,113 INFO L93 Difference]: Finished difference Result 109 states and 178 transitions. [2025-03-03 23:29:17,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-03 23:29:17,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2025-03-03 23:29:17,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 23:29:17,118 INFO L225 Difference]: With dead ends: 109 [2025-03-03 23:29:17,119 INFO L226 Difference]: Without dead ends: 53 [2025-03-03 23:29:17,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-03 23:29:17,122 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-03 23:29:17,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-03 23:29:17,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-03 23:29:17,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-03 23:29:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-03 23:29:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-03-03 23:29:17,145 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 102 [2025-03-03 23:29:17,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 23:29:17,146 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-03-03 23:29:17,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-03 23:29:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-03-03 23:29:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-03 23:29:17,149 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 23:29:17,149 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 23:29:17,179 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 [2025-03-03 23:29:17,349 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 [2025-03-03 23:29:17,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 23:29:17,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 23:29:17,351 INFO L85 PathProgramCache]: Analyzing trace with hash 10073083, now seen corresponding path program 1 times [2025-03-03 23:29:17,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 23:29:17,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115747565] [2025-03-03 23:29:17,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 23:29:17,351 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 [2025-03-03 23:29:17,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 23:29:17,353 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) [2025-03-03 23:29:17,355 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 [2025-03-03 23:29:17,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-03 23:29:18,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-03 23:29:18,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 23:29:18,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 23:29:18,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-03 23:29:18,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 23:30:03,568 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)