./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_amount10_file-30.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 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:12:09,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:12:09,676 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 06:12:09,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:12:09,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:12:09,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:12:09,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:12:09,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:12:09,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:12:09,719 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:12:09,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:12:09,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:12:09,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:12:09,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:12:09,721 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:12:09,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:12:09,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:12:09,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:12:09,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 06:12:09,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:12:09,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:12:09,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:12:09,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:12:09,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:12:09,730 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:12:09,730 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:12:09,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:12:09,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:12:09,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:12:09,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:12:09,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:12:09,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:12:09,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:12:09,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:12:09,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:12:09,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:12:09,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 06:12:09,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 06:12:09,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:12:09,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:12:09,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:12:09,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:12:09,735 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 [2024-11-12 06:12:10,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:12:10,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:12:10,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:12:10,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:12:10,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:12:10,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2024-11-12 06:12:11,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:12:12,113 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:12:12,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2024-11-12 06:12:12,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426bfa78c/e2a9c251e5d24d5c83a3ebdfd04b1f87/FLAG55d1a2f91 [2024-11-12 06:12:12,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426bfa78c/e2a9c251e5d24d5c83a3ebdfd04b1f87 [2024-11-12 06:12:12,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:12:12,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:12:12,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:12:12,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:12:12,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:12:12,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2628c1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12, skipping insertion in model container [2024-11-12 06:12:12,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:12:12,418 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_amount10_file-30.i[915,928] [2024-11-12 06:12:12,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:12:12,467 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:12:12,480 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_amount10_file-30.i[915,928] [2024-11-12 06:12:12,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:12:12,532 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:12:12,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12 WrapperNode [2024-11-12 06:12:12,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:12:12,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:12:12,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:12:12,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:12:12,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,582 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-11-12 06:12:12,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:12:12,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:12:12,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:12:12,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:12:12,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,623 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]. [2024-11-12 06:12:12,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:12:12,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:12:12,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:12:12,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:12:12,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (1/1) ... [2024-11-12 06:12:12,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:12:12,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:12:12,705 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) [2024-11-12 06:12:12,713 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 [2024-11-12 06:12:12,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:12:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:12:12,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:12:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 06:12:12,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:12:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:12:12,944 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:12:12,946 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:12:13,218 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 06:12:13,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:12:13,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:12:13,234 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:12:13,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:12:13 BoogieIcfgContainer [2024-11-12 06:12:13,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:12:13,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:12:13,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:12:13,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:12:13,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:12:12" (1/3) ... [2024-11-12 06:12:13,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e6774c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:12:13, skipping insertion in model container [2024-11-12 06:12:13,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:12" (2/3) ... [2024-11-12 06:12:13,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18e6774c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:12:13, skipping insertion in model container [2024-11-12 06:12:13,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:12:13" (3/3) ... [2024-11-12 06:12:13,243 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-30.i [2024-11-12 06:12:13,259 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:12:13,260 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:12:13,316 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:12:13,324 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;@2c15446d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:12:13,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:12:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 06:12:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 06:12:13,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:12:13,338 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:12:13,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:12:13,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:12:13,351 INFO L85 PathProgramCache]: Analyzing trace with hash 667699742, now seen corresponding path program 1 times [2024-11-12 06:12:13,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 06:12:13,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931657482] [2024-11-12 06:12:13,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:12:13,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 06:12:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 06:12:13,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868071058] [2024-11-12 06:12:13,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:12:13,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 06:12:13,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:12:13,553 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) [2024-11-12 06:12:13,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 06:12:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 06:12:13,692 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 06:12:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 06:12:13,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 06:12:13,793 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 06:12:13,795 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 06:12:13,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 06:12:13,998 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 [2024-11-12 06:12:14,003 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-12 06:12:14,053 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 06:12:14,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:12:14 BoogieIcfgContainer [2024-11-12 06:12:14,056 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 06:12:14,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 06:12:14,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 06:12:14,057 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 06:12:14,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:12:13" (3/4) ... [2024-11-12 06:12:14,060 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 06:12:14,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 06:12:14,062 INFO L158 Benchmark]: Toolchain (without parser) took 1905.57ms. Allocated memory is still 144.7MB. Free memory was 70.4MB in the beginning and 81.0MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:12:14,062 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory was 116.8MB in the beginning and 116.6MB in the end (delta: 235.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:12:14,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.62ms. Allocated memory is still 144.7MB. Free memory was 70.2MB in the beginning and 111.4MB in the end (delta: -41.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-12 06:12:14,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.04ms. Allocated memory is still 144.7MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 06:12:14,064 INFO L158 Benchmark]: Boogie Preprocessor took 70.38ms. Allocated memory is still 144.7MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 06:12:14,064 INFO L158 Benchmark]: RCFGBuilder took 579.69ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 110.4MB in the end (delta: -3.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-12 06:12:14,065 INFO L158 Benchmark]: TraceAbstraction took 819.97ms. Allocated memory is still 144.7MB. Free memory was 109.3MB in the beginning and 81.6MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-12 06:12:14,065 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 144.7MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 06:12:14,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory was 116.8MB in the beginning and 116.6MB in the end (delta: 235.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.62ms. Allocated memory is still 144.7MB. Free memory was 70.2MB in the beginning and 111.4MB in the end (delta: -41.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.04ms. Allocated memory is still 144.7MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.38ms. Allocated memory is still 144.7MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.69ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 110.4MB in the end (delta: -3.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 819.97ms. Allocated memory is still 144.7MB. Free memory was 109.3MB in the beginning and 81.6MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 144.7MB. Free memory is still 81.0MB. 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 someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 0.375; [L23] double var_1_2 = 16.5; [L24] unsigned short int var_1_3 = 64; [L25] unsigned long int var_1_4 = 128; [L26] unsigned long int var_1_5 = 256; [L27] unsigned short int var_1_6 = 32; [L28] unsigned short int var_1_7 = 16; [L29] double var_1_8 = 1.5; [L30] float var_1_9 = 2.25; VAL [isInitial=0, var_1_1=3/8, var_1_2=33/2, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] FCALL updateLastVariables() [L70] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854765600e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854765600e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L45] var_1_4 = __VERIFIER_nondet_ulong() [L46] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L46] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L47] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L47] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L48] var_1_5 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L49] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L50] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L50] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L51] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L51] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L52] var_1_6 = __VERIFIER_nondet_ushort() [L53] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L53] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L54] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L54] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L55] var_1_7 = __VERIFIER_nondet_ushort() [L56] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_8=3/2, var_1_9=9/4] [L56] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_8=3/2, var_1_9=9/4] [L57] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L57] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=3/2, var_1_9=9/4] [L70] RET updateVariables() [L71] CALL step() [L34] var_1_1 = var_1_2 [L35] var_1_8 = var_1_2 [L36] var_1_9 = var_1_2 [L37] unsigned char stepLocal_0 = var_1_9 < var_1_2; VAL [isInitial=1, stepLocal_0=1, var_1_1=2, var_1_2=2, var_1_3=64, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2] [L38] COND TRUE (32u < (var_1_4 / var_1_5)) && stepLocal_0 [L39] var_1_3 = (var_1_6 + var_1_7) VAL [isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=-8589934526, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((var_1_1 == ((double) var_1_2)) && (((32u < (var_1_4 / var_1_5)) && (var_1_9 < var_1_2)) ? (var_1_3 == ((unsigned short int) (var_1_6 + var_1_7))) : 1)) && (var_1_8 == ((double) var_1_2))) && (var_1_9 == ((float) var_1_2)) ; VAL [\result=0, isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=-8589934526, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=-8589934526, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=-8589934526, var_1_5=2, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 06:12:14,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_amount10_file-30.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 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 06:12:16,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 06:12:16,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-12 06:12:16,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 06:12:16,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 06:12:16,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 06:12:16,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 06:12:16,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 06:12:16,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 06:12:16,765 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 06:12:16,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 06:12:16,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 06:12:16,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 06:12:16,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 06:12:16,770 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 06:12:16,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 06:12:16,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 06:12:16,771 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 06:12:16,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 06:12:16,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 06:12:16,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 06:12:16,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 06:12:16,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 06:12:16,774 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 06:12:16,774 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 06:12:16,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 06:12:16,777 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 06:12:16,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 06:12:16,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 06:12:16,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 06:12:16,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 06:12:16,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 06:12:16,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 06:12:16,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 06:12:16,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:12:16,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 06:12:16,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 06:12:16,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 06:12:16,779 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 06:12:16,780 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 06:12:16,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 06:12:16,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 06:12:16,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 06:12:16,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 06:12:16,782 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 [2024-11-12 06:12:17,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 06:12:17,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 06:12:17,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 06:12:17,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 06:12:17,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 06:12:17,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2024-11-12 06:12:18,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 06:12:18,998 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 06:12:18,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2024-11-12 06:12:19,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71aeb8cf1/46f48ddb9bdb41289c480dda2fb8f55c/FLAG9c3c0c704 [2024-11-12 06:12:19,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71aeb8cf1/46f48ddb9bdb41289c480dda2fb8f55c [2024-11-12 06:12:19,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 06:12:19,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 06:12:19,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 06:12:19,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 06:12:19,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 06:12:19,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d124361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19, skipping insertion in model container [2024-11-12 06:12:19,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 06:12:19,286 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_amount10_file-30.i[915,928] [2024-11-12 06:12:19,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:12:19,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 06:12:19,368 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_amount10_file-30.i[915,928] [2024-11-12 06:12:19,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 06:12:19,419 INFO L204 MainTranslator]: Completed translation [2024-11-12 06:12:19,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19 WrapperNode [2024-11-12 06:12:19,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 06:12:19,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 06:12:19,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 06:12:19,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 06:12:19,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,466 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-11-12 06:12:19,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 06:12:19,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 06:12:19,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 06:12:19,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 06:12:19,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,505 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]. [2024-11-12 06:12:19,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 06:12:19,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 06:12:19,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 06:12:19,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 06:12:19,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (1/1) ... [2024-11-12 06:12:19,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 06:12:19,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 06:12:19,592 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) [2024-11-12 06:12:19,600 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 [2024-11-12 06:12:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 06:12:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 06:12:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 06:12:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 06:12:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 06:12:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 06:12:19,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 06:12:19,746 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 06:12:20,616 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 06:12:20,620 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 06:12:20,636 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 06:12:20,637 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 06:12:20,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:12:20 BoogieIcfgContainer [2024-11-12 06:12:20,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 06:12:20,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 06:12:20,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 06:12:20,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 06:12:20,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:12:19" (1/3) ... [2024-11-12 06:12:20,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfca4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:12:20, skipping insertion in model container [2024-11-12 06:12:20,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:12:19" (2/3) ... [2024-11-12 06:12:20,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dfca4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:12:20, skipping insertion in model container [2024-11-12 06:12:20,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:12:20" (3/3) ... [2024-11-12 06:12:20,652 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-30.i [2024-11-12 06:12:20,669 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 06:12:20,670 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 06:12:20,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 06:12:20,754 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;@58aa876d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 06:12:20,755 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 06:12:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 06:12:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 06:12:20,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:12:20,769 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:12:20,770 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:12:20,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:12:20,777 INFO L85 PathProgramCache]: Analyzing trace with hash 667699742, now seen corresponding path program 1 times [2024-11-12 06:12:20,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:12:20,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397458396] [2024-11-12 06:12:20,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:12:20,792 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 [2024-11-12 06:12:20,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:12:20,798 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) [2024-11-12 06:12:20,800 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 [2024-11-12 06:12:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:12:21,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 06:12:21,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:12:39,041 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-12 06:12:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-12 06:12:57,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 06:13:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-12 06:13:14,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 06:13:14,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397458396] [2024-11-12 06:13:14,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397458396] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 06:13:14,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 06:13:14,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-11-12 06:13:14,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96569946] [2024-11-12 06:13:14,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 06:13:14,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 06:13:14,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 06:13:14,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 06:13:14,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-12 06:13:14,068 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-12 06:13:27,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 06:13:27,045 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-11-12 06:13:27,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 06:13:27,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2024-11-12 06:13:27,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 06:13:27,069 INFO L225 Difference]: With dead ends: 69 [2024-11-12 06:13:27,069 INFO L226 Difference]: Without dead ends: 37 [2024-11-12 06:13:27,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 39.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-12 06:13:27,077 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 10 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-12 06:13:27,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 146 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-12 06:13:27,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-12 06:13:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-12 06:13:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 06:13:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2024-11-12 06:13:27,113 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 65 [2024-11-12 06:13:27,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 06:13:27,115 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-11-12 06:13:27,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-12 06:13:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-12 06:13:27,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-12 06:13:27,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 06:13:27,118 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 06:13:27,127 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 [2024-11-12 06:13:27,319 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 [2024-11-12 06:13:27,320 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 06:13:27,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 06:13:27,321 INFO L85 PathProgramCache]: Analyzing trace with hash 669546784, now seen corresponding path program 1 times [2024-11-12 06:13:27,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 06:13:27,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250135658] [2024-11-12 06:13:27,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 06:13:27,323 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 [2024-11-12 06:13:27,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 06:13:27,325 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) [2024-11-12 06:13:27,327 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 [2024-11-12 06:13:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 06:13:27,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 06:13:27,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 06:13:42,962 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)