./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.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 0aa738c81893cf9e45d2ce8fedb94e44410f7bdb3842bfdfce6f2126b53b412a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:26:01,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:26:01,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-04 00:26:01,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:26:01,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:26:01,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:26:01,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:26:01,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:26:01,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:26:01,447 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:26:01,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:26:01,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:26:01,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:26:01,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:26:01,448 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:26:01,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:26:01,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:26:01,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:26:01,450 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:26:01,450 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:26:01,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:26:01,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:26:01,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:26:01,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:26:01,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:26:01,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:26:01,451 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 -> 0aa738c81893cf9e45d2ce8fedb94e44410f7bdb3842bfdfce6f2126b53b412a [2025-03-04 00:26:01,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:26:01,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:26:01,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:26:01,683 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:26:01,683 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:26:01,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i [2025-03-04 00:26:02,885 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd60637e/f30d99ccabcb46bbaf84c8cc07eb612d/FLAG653c1dea8 [2025-03-04 00:26:03,104 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:26:03,104 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i [2025-03-04 00:26:03,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd60637e/f30d99ccabcb46bbaf84c8cc07eb612d/FLAG653c1dea8 [2025-03-04 00:26:03,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd60637e/f30d99ccabcb46bbaf84c8cc07eb612d [2025-03-04 00:26:03,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:26:03,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:26:03,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:26:03,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:26:03,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:26:03,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7382e96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03, skipping insertion in model container [2025-03-04 00:26:03,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:26:03,559 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i[915,928] [2025-03-04 00:26:03,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:26:03,610 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:26:03,618 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i[915,928] [2025-03-04 00:26:03,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:26:03,644 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:26:03,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03 WrapperNode [2025-03-04 00:26:03,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:26:03,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:26:03,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:26:03,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:26:03,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,677 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2025-03-04 00:26:03,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:26:03,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:26:03,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:26:03,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:26:03,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,702 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 00:26:03,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:26:03,719 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:26:03,719 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:26:03,719 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:26:03,720 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (1/1) ... [2025-03-04 00:26:03,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:26:03,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:26:03,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 00:26:03,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 00:26:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:26:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:26:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:26:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 00:26:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:26:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:26:03,817 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:26:03,819 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:26:03,965 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-04 00:26:03,965 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:26:03,971 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:26:03,971 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:26:03,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:26:03 BoogieIcfgContainer [2025-03-04 00:26:03,972 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:26:03,974 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:26:03,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:26:03,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:26:03,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:26:03" (1/3) ... [2025-03-04 00:26:03,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9df0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:26:03, skipping insertion in model container [2025-03-04 00:26:03,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:03" (2/3) ... [2025-03-04 00:26:03,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9df0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:26:03, skipping insertion in model container [2025-03-04 00:26:03,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:26:03" (3/3) ... [2025-03-04 00:26:03,979 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-74.i [2025-03-04 00:26:03,991 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:26:03,993 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-74.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:26:04,044 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:26:04,055 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;@d86d9a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:26:04,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:26:04,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 00:26:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 00:26:04,069 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:26:04,069 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:26:04,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:26:04,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:26:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1082816437, now seen corresponding path program 1 times [2025-03-04 00:26:04,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:26:04,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304474353] [2025-03-04 00:26:04,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:26:04,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:26:04,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 00:26:04,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 00:26:04,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:26:04,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:26:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-03-04 00:26:04,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 00:26:04,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304474353] [2025-03-04 00:26:04,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304474353] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 00:26:04,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120604373] [2025-03-04 00:26:04,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:26:04,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 00:26:04,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:26:04,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 00:26:04,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 00:26:04,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 00:26:04,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 00:26:04,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:26:04,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:26:04,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 00:26:04,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:26:04,399 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-03-04 00:26:04,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:26:04,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120604373] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:26:04,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 00:26:04,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 00:26:04,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343462806] [2025-03-04 00:26:04,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:26:04,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 00:26:04,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 00:26:04,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 00:26:04,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:26:04,423 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-03-04 00:26:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:26:04,443 INFO L93 Difference]: Finished difference Result 94 states and 151 transitions. [2025-03-04 00:26:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 00:26:04,445 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2025-03-04 00:26:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:26:04,449 INFO L225 Difference]: With dead ends: 94 [2025-03-04 00:26:04,450 INFO L226 Difference]: Without dead ends: 47 [2025-03-04 00:26:04,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:26:04,456 INFO L435 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 00:26:04,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 00:26:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-03-04 00:26:04,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-03-04 00:26:04,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 00:26:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2025-03-04 00:26:04,490 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 95 [2025-03-04 00:26:04,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:26:04,491 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2025-03-04 00:26:04,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-03-04 00:26:04,491 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2025-03-04 00:26:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 00:26:04,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:26:04,496 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:26:04,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 00:26:04,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 00:26:04,697 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:26:04,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:26:04,698 INFO L85 PathProgramCache]: Analyzing trace with hash 484736837, now seen corresponding path program 1 times [2025-03-04 00:26:04,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 00:26:04,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578157190] [2025-03-04 00:26:04,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:26:04,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 00:26:04,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 00:26:04,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 00:26:04,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:26:04,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:26:04,865 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 00:26:04,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 00:26:04,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 00:26:04,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:26:04,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 00:26:04,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 00:26:04,990 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 00:26:04,991 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 00:26:04,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 00:26:04,994 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-04 00:26:05,051 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 00:26:05,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:26:05 BoogieIcfgContainer [2025-03-04 00:26:05,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 00:26:05,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 00:26:05,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 00:26:05,058 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 00:26:05,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:26:03" (3/4) ... [2025-03-04 00:26:05,060 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 00:26:05,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 00:26:05,061 INFO L158 Benchmark]: Toolchain (without parser) took 1619.26ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 79.4MB in the end (delta: 25.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2025-03-04 00:26:05,061 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:26:05,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.46ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 92.1MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 00:26:05,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.85ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 91.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:26:05,062 INFO L158 Benchmark]: Boogie Preprocessor took 40.93ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 88.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:26:05,063 INFO L158 Benchmark]: IcfgBuilder took 252.71ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 74.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 00:26:05,063 INFO L158 Benchmark]: TraceAbstraction took 1083.65ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 80.2MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:26:05,064 INFO L158 Benchmark]: Witness Printer took 2.85ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 772.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 00:26:05,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.46ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 92.1MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.85ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 91.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.93ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 88.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 252.71ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 74.3MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1083.65ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 80.2MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.85ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 79.4MB in the end (delta: 772.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 25; [L23] double var_1_2 = 63.25; [L24] double var_1_3 = 3.779; [L25] double var_1_4 = 31.6; [L26] double var_1_5 = 100.5; [L27] unsigned long int var_1_6 = 64; [L28] unsigned long int var_1_7 = 3150951169; [L29] unsigned long int var_1_8 = 128; [L30] unsigned char var_1_9 = 0; [L31] signed short int var_1_10 = -16; [L32] float var_1_11 = 127.075; [L33] float var_1_12 = 1.2; [L34] signed short int var_1_16 = 4; [L35] signed short int var_1_18 = -64; [L36] signed char var_1_19 = -32; VAL [isInitial=0, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] FCALL updateLastVariables() [L101] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_double() [L66] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L66] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L67] var_1_3 = __VERIFIER_nondet_double() [L68] 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, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L68] 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, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L69] var_1_4 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L70] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L71] var_1_5 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L72] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L73] var_1_6 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L75] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=3150951169, var_1_8=128, var_1_9=0] [L76] var_1_7 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=128, var_1_9=0] [L77] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=128, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=128, var_1_9=0] [L78] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=128, var_1_9=0] [L79] var_1_8 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_9=0] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=0] [L81] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=0] [L82] var_1_9 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647] [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647] [L84] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L84] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=-16, var_1_11=5083/40, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L85] var_1_11 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L86] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_12=6/5, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L87] var_1_12 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L88] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=25, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L101] RET updateVariables() [L102] CALL step() [L40] COND TRUE ((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5 [L41] var_1_1 = ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))) VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-32, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L49] var_1_19 = -2 VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-2, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L50] COND TRUE \read(var_1_9) VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-2, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L51] COND FALSE !(255.5f != (var_1_11 - var_1_12)) VAL [isInitial=1, var_1_10=-16, var_1_16=4, var_1_18=-64, var_1_19=-2, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L59] COND TRUE \read(var_1_9) [L60] var_1_16 = ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) VAL [isInitial=1, var_1_10=-16, var_1_16=2, var_1_18=-64, var_1_19=-2, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L62] var_1_18 = var_1_19 VAL [isInitial=1, var_1_10=-16, var_1_16=2, var_1_18=-2, var_1_19=-2, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return (((((((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5) ? (var_1_1 == ((unsigned long int) ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))))) : (var_1_9 ? (var_1_1 == ((unsigned long int) var_1_7)) : (var_1_1 == ((unsigned long int) var_1_6)))) && (var_1_9 ? ((255.5f != (var_1_11 - var_1_12)) ? (var_1_10 == ((signed short int) ((((((((var_1_19) > (var_1_19)) ? (var_1_19) : (var_1_19)))) > (var_1_19)) ? (((((var_1_19) > (var_1_19)) ? (var_1_19) : (var_1_19)))) : (var_1_19))))) : 1) : ((var_1_4 <= var_1_3) ? (var_1_10 == ((signed short int) var_1_19)) : 1))) && (var_1_9 ? (var_1_16 == ((signed short int) ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) : 1)) && (var_1_18 == ((signed short int) var_1_19))) && (var_1_19 == ((signed char) -2)) ; VAL [\result=0, isInitial=1, var_1_10=-16, var_1_16=2, var_1_18=-2, var_1_19=-2, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-16, var_1_16=2, var_1_18=-2, var_1_19=-2, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=-16, var_1_16=2, var_1_18=-2, var_1_19=-2, var_1_1=4294967297, var_1_6=4294967297, var_1_7=6442450943, var_1_8=2147483647, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 14, 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, 66 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, 66 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-04 00:26:05,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.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 0aa738c81893cf9e45d2ce8fedb94e44410f7bdb3842bfdfce6f2126b53b412a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 00:26:06,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 00:26:07,012 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-04 00:26:07,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 00:26:07,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 00:26:07,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 00:26:07,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 00:26:07,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 00:26:07,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 00:26:07,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 00:26:07,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 00:26:07,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 00:26:07,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 00:26:07,047 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:26:07,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 00:26:07,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 00:26:07,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 00:26:07,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 00:26:07,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 00:26:07,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 00:26:07,048 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 -> 0aa738c81893cf9e45d2ce8fedb94e44410f7bdb3842bfdfce6f2126b53b412a [2025-03-04 00:26:07,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 00:26:07,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 00:26:07,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 00:26:07,279 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 00:26:07,280 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 00:26:07,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i [2025-03-04 00:26:08,467 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2caf79e27/6ae95b3a9e5b4a5b94a9d5660f54e4af/FLAG1063188e7 [2025-03-04 00:26:08,615 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 00:26:08,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i [2025-03-04 00:26:08,620 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2caf79e27/6ae95b3a9e5b4a5b94a9d5660f54e4af/FLAG1063188e7 [2025-03-04 00:26:09,009 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2caf79e27/6ae95b3a9e5b4a5b94a9d5660f54e4af [2025-03-04 00:26:09,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 00:26:09,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 00:26:09,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 00:26:09,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 00:26:09,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 00:26:09,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f736d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09, skipping insertion in model container [2025-03-04 00:26:09,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 00:26:09,133 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i[915,928] [2025-03-04 00:26:09,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:26:09,193 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 00:26:09,203 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-74.i[915,928] [2025-03-04 00:26:09,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 00:26:09,234 INFO L204 MainTranslator]: Completed translation [2025-03-04 00:26:09,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09 WrapperNode [2025-03-04 00:26:09,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 00:26:09,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 00:26:09,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 00:26:09,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 00:26:09,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,264 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2025-03-04 00:26:09,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 00:26:09,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 00:26:09,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 00:26:09,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 00:26:09,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,281 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-04 00:26:09,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 00:26:09,293 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 00:26:09,293 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 00:26:09,293 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 00:26:09,294 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (1/1) ... [2025-03-04 00:26:09,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 00:26:09,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 00:26:09,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 00:26:09,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 00:26:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 00:26:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 00:26:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 00:26:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 00:26:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 00:26:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 00:26:09,386 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 00:26:09,387 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 00:26:09,773 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-04 00:26:09,773 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 00:26:09,782 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 00:26:09,782 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 00:26:09,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:26:09 BoogieIcfgContainer [2025-03-04 00:26:09,783 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 00:26:09,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 00:26:09,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 00:26:09,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 00:26:09,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 12:26:09" (1/3) ... [2025-03-04 00:26:09,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60925cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:26:09, skipping insertion in model container [2025-03-04 00:26:09,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 12:26:09" (2/3) ... [2025-03-04 00:26:09,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60925cc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:26:09, skipping insertion in model container [2025-03-04 00:26:09,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 12:26:09" (3/3) ... [2025-03-04 00:26:09,792 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-74.i [2025-03-04 00:26:09,803 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 00:26:09,804 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-74.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 00:26:09,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 00:26:09,848 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;@68e6233e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 00:26:09,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 00:26:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 00:26:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 00:26:09,857 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:26:09,857 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:26:09,858 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:26:09,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:26:09,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1082816437, now seen corresponding path program 1 times [2025-03-04 00:26:09,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:26:09,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521665689] [2025-03-04 00:26:09,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:26:09,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:26:09,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:26:09,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-04 00:26:09,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-04 00:26:09,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 00:26:10,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 00:26:10,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:26:10,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:26:10,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 00:26:10,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 00:26:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2025-03-04 00:26:10,103 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 00:26:10,103 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 00:26:10,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521665689] [2025-03-04 00:26:10,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521665689] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 00:26:10,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 00:26:10,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 00:26:10,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430842953] [2025-03-04 00:26:10,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 00:26:10,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 00:26:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 00:26:10,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 00:26:10,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:26:10,127 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-03-04 00:26:10,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 00:26:10,146 INFO L93 Difference]: Finished difference Result 94 states and 151 transitions. [2025-03-04 00:26:10,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 00:26:10,148 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2025-03-04 00:26:10,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 00:26:10,153 INFO L225 Difference]: With dead ends: 94 [2025-03-04 00:26:10,154 INFO L226 Difference]: Without dead ends: 47 [2025-03-04 00:26:10,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 00:26:10,159 INFO L435 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 00:26:10,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 00:26:10,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-03-04 00:26:10,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-03-04 00:26:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-03-04 00:26:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2025-03-04 00:26:10,192 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 95 [2025-03-04 00:26:10,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 00:26:10,192 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2025-03-04 00:26:10,193 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, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-03-04 00:26:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2025-03-04 00:26:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 00:26:10,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 00:26:10,195 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 00:26:10,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-04 00:26:10,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:26:10,400 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 00:26:10,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 00:26:10,401 INFO L85 PathProgramCache]: Analyzing trace with hash 484736837, now seen corresponding path program 1 times [2025-03-04 00:26:10,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 00:26:10,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819978369] [2025-03-04 00:26:10,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 00:26:10,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-04 00:26:10,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 00:26:10,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-04 00:26:10,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-04 00:26:10,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 00:26:10,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 00:26:10,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 00:26:10,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 00:26:10,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 00:26:10,618 INFO L279 TraceCheckSpWp]: Computing forward predicates...