./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_amount25_file-88.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 f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:59:08,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:59:08,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:59:08,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:59:08,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:59:08,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:59:08,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:59:08,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:59:08,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:59:08,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:59:08,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:59:08,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:59:08,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:59:08,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:59:08,866 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:59:08,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:59:08,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:59:08,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:59:08,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:59:08,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:59:08,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:59:08,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:59:08,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:59:08,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:59:08,873 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:59:08,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:59:08,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:59:08,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:59:08,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:59:08,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:59:08,874 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:59:08,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:59:08,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:59:08,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:59:08,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:59:08,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:59:08,876 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:59:08,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:59:08,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:59:08,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:59:08,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:59:08,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:59:08,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 [2024-11-18 23:59:09,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:59:09,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:59:09,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:59:09,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:59:09,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:59:09,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-11-18 23:59:10,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:59:10,808 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:59:10,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-11-18 23:59:10,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5208332/1783608a01bd4271bcc805022afcb629/FLAGfd8ecd688 [2024-11-18 23:59:10,835 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5208332/1783608a01bd4271bcc805022afcb629 [2024-11-18 23:59:10,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:59:10,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:59:10,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:59:10,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:59:10,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:59:10,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:10" (1/1) ... [2024-11-18 23:59:10,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64568929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:10, skipping insertion in model container [2024-11-18 23:59:10,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:10" (1/1) ... [2024-11-18 23:59:10,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:59:11,068 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-88.i[915,928] [2024-11-18 23:59:11,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:59:11,114 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:59:11,125 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-88.i[915,928] [2024-11-18 23:59:11,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:59:11,165 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:59:11,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11 WrapperNode [2024-11-18 23:59:11,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:59:11,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:59:11,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:59:11,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:59:11,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,212 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-18 23:59:11,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:59:11,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:59:11,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:59:11,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:59:11,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,240 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]. [2024-11-18 23:59:11,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:59:11,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:59:11,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:59:11,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:59:11,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (1/1) ... [2024-11-18 23:59:11,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:59:11,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:59:11,297 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) [2024-11-18 23:59:11,304 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 [2024-11-18 23:59:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:59:11,347 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:59:11,347 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:59:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:59:11,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:59:11,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:59:11,426 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:59:11,430 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:59:11,681 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-18 23:59:11,682 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:59:11,697 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:59:11,697 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:59:11,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:11 BoogieIcfgContainer [2024-11-18 23:59:11,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:59:11,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:59:11,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:59:11,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:59:11,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:59:10" (1/3) ... [2024-11-18 23:59:11,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731934c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:59:11, skipping insertion in model container [2024-11-18 23:59:11,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:11" (2/3) ... [2024-11-18 23:59:11,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731934c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:59:11, skipping insertion in model container [2024-11-18 23:59:11,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:11" (3/3) ... [2024-11-18 23:59:11,706 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-88.i [2024-11-18 23:59:11,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:59:11,723 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:59:11,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:59:11,783 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;@3e8f4ae6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:59:11,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:59:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-18 23:59:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-18 23:59:11,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:59:11,799 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:59:11,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:59:11,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:59:11,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2024490382, now seen corresponding path program 1 times [2024-11-18 23:59:11,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:59:11,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685088590] [2024-11-18 23:59:11,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:59:11,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:59:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:59:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-18 23:59:12,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:59:12,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685088590] [2024-11-18 23:59:12,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685088590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:59:12,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374935613] [2024-11-18 23:59:12,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:59:12,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:59:12,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:59:12,074 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) [2024-11-18 23:59:12,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:59:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:59:12,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:59:12,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:59:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-18 23:59:12,227 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:59:12,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374935613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:59:12,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:59:12,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:59:12,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957296164] [2024-11-18 23:59:12,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:59:12,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:59:12,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:59:12,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:59:12,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:59:12,259 INFO L87 Difference]: Start difference. First operand has 48 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-18 23:59:12,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:59:12,282 INFO L93 Difference]: Finished difference Result 89 states and 143 transitions. [2024-11-18 23:59:12,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:59:12,284 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2024-11-18 23:59:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:59:12,292 INFO L225 Difference]: With dead ends: 89 [2024-11-18 23:59:12,292 INFO L226 Difference]: Without dead ends: 44 [2024-11-18 23:59:12,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:59:12,298 INFO L432 NwaCegarLoop]: 62 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, 62 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 [2024-11-18 23:59:12,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:59:12,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-18 23:59:12,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-18 23:59:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-18 23:59:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2024-11-18 23:59:12,364 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 76 [2024-11-18 23:59:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:59:12,365 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2024-11-18 23:59:12,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-18 23:59:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2024-11-18 23:59:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-18 23:59:12,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:59:12,370 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:59:12,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 23:59:12,571 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 [2024-11-18 23:59:12,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:59:12,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:59:12,572 INFO L85 PathProgramCache]: Analyzing trace with hash 243866420, now seen corresponding path program 1 times [2024-11-18 23:59:12,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:59:12,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62536193] [2024-11-18 23:59:12,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:59:12,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:59:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:59:12,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 23:59:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:59:12,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 23:59:12,839 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 23:59:12,841 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:59:12,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 23:59:12,846 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-18 23:59:12,922 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:59:12,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:59:12 BoogieIcfgContainer [2024-11-18 23:59:12,926 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:59:12,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:59:12,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:59:12,927 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:59:12,928 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:11" (3/4) ... [2024-11-18 23:59:12,931 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 23:59:12,932 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:59:12,933 INFO L158 Benchmark]: Toolchain (without parser) took 2092.33ms. Allocated memory is still 203.4MB. Free memory was 172.7MB in the beginning and 147.5MB in the end (delta: 25.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-18 23:59:12,935 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:59:12,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.43ms. Allocated memory is still 203.4MB. Free memory was 172.5MB in the beginning and 162.6MB in the end (delta: 9.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-18 23:59:12,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.48ms. Allocated memory is still 203.4MB. Free memory was 162.6MB in the beginning and 160.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:59:12,938 INFO L158 Benchmark]: Boogie Preprocessor took 47.44ms. Allocated memory is still 203.4MB. Free memory was 160.5MB in the beginning and 158.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:59:12,938 INFO L158 Benchmark]: RCFGBuilder took 436.31ms. Allocated memory is still 203.4MB. Free memory was 158.4MB in the beginning and 142.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 23:59:12,939 INFO L158 Benchmark]: TraceAbstraction took 1225.96ms. Allocated memory is still 203.4MB. Free memory was 142.0MB in the beginning and 147.5MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:59:12,939 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 203.4MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:59:12,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.43ms. Allocated memory is still 203.4MB. Free memory was 172.5MB in the beginning and 162.6MB in the end (delta: 9.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.48ms. Allocated memory is still 203.4MB. Free memory was 162.6MB in the beginning and 160.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.44ms. Allocated memory is still 203.4MB. Free memory was 160.5MB in the beginning and 158.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.31ms. Allocated memory is still 203.4MB. Free memory was 158.4MB in the beginning and 142.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1225.96ms. Allocated memory is still 203.4MB. Free memory was 142.0MB in the beginning and 147.5MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 203.4MB. Free memory is still 147.5MB. 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 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; VAL [isInitial=0, var_1_10=-64, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L84] isInitial = 1 [L85] FCALL initially() [L86] COND TRUE 1 [L87] FCALL updateLastVariables() [L88] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4] [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4] [L88] RET updateVariables() [L89] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=-8, var_1_20=4] [L40] COND TRUE (- (var_1_17 + var_1_17)) > var_1_17 [L41] var_1_11 = var_1_12 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=-8, var_1_20=4] [L43] var_1_16 = var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=-8, var_1_20=4] [L44] EXPR var_1_16 | var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=-8, var_1_20=4] [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=126, var_1_20=4] [L89] RET step() [L90] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=126, var_1_20=4] [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L90] RET, EXPR property() [L90] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=126, var_1_20=4] [L19] reach_error() VAL [isInitial=1, var_1_10=126, var_1_11=-256, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=4, var_1_17=133, var_1_18=133, var_1_19=4, var_1_1=126, var_1_20=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 11, 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, 62 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, 62 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 0.2s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 191 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 [2024-11-18 23:59:12,971 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_amount25_file-88.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 f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:59:15,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:59:15,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 23:59:15,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:59:15,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:59:15,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:59:15,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:59:15,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:59:15,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:59:15,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:59:15,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:59:15,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:59:15,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:59:15,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:59:15,249 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:59:15,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:59:15,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:59:15,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:59:15,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:59:15,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:59:15,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:59:15,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:59:15,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:59:15,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 23:59:15,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 23:59:15,252 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:59:15,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 23:59:15,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:59:15,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:59:15,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:59:15,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:59:15,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:59:15,254 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:59:15,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:59:15,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:59:15,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:59:15,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:59:15,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:59:15,256 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 23:59:15,256 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 23:59:15,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:59:15,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:59:15,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:59:15,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:59:15,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 [2024-11-18 23:59:15,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:59:15,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:59:15,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:59:15,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:59:15,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:59:15,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-11-18 23:59:17,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:59:17,366 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:59:17,368 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-11-18 23:59:17,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d477e042/85679f6307c2423eb2019881192ea8bd/FLAG912b55160 [2024-11-18 23:59:17,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d477e042/85679f6307c2423eb2019881192ea8bd [2024-11-18 23:59:17,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:59:17,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:59:17,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:59:17,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:59:17,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:59:17,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301c8f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17, skipping insertion in model container [2024-11-18 23:59:17,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:59:17,601 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-88.i[915,928] [2024-11-18 23:59:17,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:59:17,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:59:17,677 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-88.i[915,928] [2024-11-18 23:59:17,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:59:17,719 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:59:17,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17 WrapperNode [2024-11-18 23:59:17,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:59:17,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:59:17,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:59:17,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:59:17,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,765 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-18 23:59:17,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:59:17,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:59:17,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:59:17,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:59:17,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,788 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]. [2024-11-18 23:59:17,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:59:17,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:59:17,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:59:17,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:59:17,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (1/1) ... [2024-11-18 23:59:17,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:59:17,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:59:17,841 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) [2024-11-18 23:59:17,845 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 [2024-11-18 23:59:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:59:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 23:59:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:59:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:59:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:59:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:59:17,946 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:59:17,949 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:59:18,351 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-18 23:59:18,351 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:59:18,367 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:59:18,367 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:59:18,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:18 BoogieIcfgContainer [2024-11-18 23:59:18,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:59:18,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:59:18,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:59:18,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:59:18,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:59:17" (1/3) ... [2024-11-18 23:59:18,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9885db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:59:18, skipping insertion in model container [2024-11-18 23:59:18,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:17" (2/3) ... [2024-11-18 23:59:18,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b9885db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:59:18, skipping insertion in model container [2024-11-18 23:59:18,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:18" (3/3) ... [2024-11-18 23:59:18,378 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-88.i [2024-11-18 23:59:18,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:59:18,396 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:59:18,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:59:18,461 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;@349ef787, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:59:18,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:59:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-18 23:59:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-18 23:59:18,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:59:18,477 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:59:18,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:59:18,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:59:18,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2064427227, now seen corresponding path program 1 times [2024-11-18 23:59:18,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:59:18,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841797437] [2024-11-18 23:59:18,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:59:18,499 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 [2024-11-18 23:59:18,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:59:18,503 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) [2024-11-18 23:59:18,504 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 [2024-11-18 23:59:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:59:18,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:59:18,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:59:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-18 23:59:18,721 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:59:18,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:59:18,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841797437] [2024-11-18 23:59:18,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841797437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:59:18,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:59:18,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 23:59:18,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218761911] [2024-11-18 23:59:18,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:59:18,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:59:18,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:59:18,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:59:18,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:59:18,754 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-18 23:59:18,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:59:18,779 INFO L93 Difference]: Finished difference Result 75 states and 121 transitions. [2024-11-18 23:59:18,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:59:18,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2024-11-18 23:59:18,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:59:18,787 INFO L225 Difference]: With dead ends: 75 [2024-11-18 23:59:18,787 INFO L226 Difference]: Without dead ends: 37 [2024-11-18 23:59:18,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:59:18,793 INFO L432 NwaCegarLoop]: 50 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, 50 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 [2024-11-18 23:59:18,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:59:18,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-18 23:59:18,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-18 23:59:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-18 23:59:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-18 23:59:18,823 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 73 [2024-11-18 23:59:18,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:59:18,823 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-18 23:59:18,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-18 23:59:18,823 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-18 23:59:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-18 23:59:18,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:59:18,826 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:59:18,833 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-18 23:59:19,027 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 [2024-11-18 23:59:19,027 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:59:19,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:59:19,028 INFO L85 PathProgramCache]: Analyzing trace with hash -211911261, now seen corresponding path program 1 times [2024-11-18 23:59:19,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:59:19,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006840911] [2024-11-18 23:59:19,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:59:19,029 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 [2024-11-18 23:59:19,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:59:19,031 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) [2024-11-18 23:59:19,032 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 [2024-11-18 23:59:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:59:19,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-18 23:59:19,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:59:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-18 23:59:21,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:59:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-18 23:59:26,586 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:59:26,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006840911] [2024-11-18 23:59:26,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006840911] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-18 23:59:26,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:59:26,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-18 23:59:26,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035755861] [2024-11-18 23:59:26,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:59:26,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 23:59:26,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:59:26,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 23:59:26,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-18 23:59:26,592 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-18 23:59:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:59:28,483 INFO L93 Difference]: Finished difference Result 90 states and 118 transitions. [2024-11-18 23:59:28,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 23:59:28,487 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 73 [2024-11-18 23:59:28,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:59:28,489 INFO L225 Difference]: With dead ends: 90 [2024-11-18 23:59:28,489 INFO L226 Difference]: Without dead ends: 56 [2024-11-18 23:59:28,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-18 23:59:28,491 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 51 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-18 23:59:28,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 177 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-18 23:59:28,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-18 23:59:28,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-18 23:59:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-18 23:59:28,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-18 23:59:28,518 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 73 [2024-11-18 23:59:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:59:28,518 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-18 23:59:28,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-18 23:59:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-18 23:59:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-18 23:59:28,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:59:28,525 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:59:28,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-18 23:59:28,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 23:59:28,726 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:59:28,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:59:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1563096101, now seen corresponding path program 1 times [2024-11-18 23:59:28,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:59:28,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243282790] [2024-11-18 23:59:28,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:59:28,728 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 [2024-11-18 23:59:28,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:59:28,729 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-18 23:59:28,730 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 (4)] Waiting until timeout for monitored process [2024-11-18 23:59:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:59:28,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-18 23:59:28,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:59:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 149 proven. 24 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-18 23:59:30,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:59:35,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:59:35,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243282790] [2024-11-18 23:59:35,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243282790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:59:35,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1398657511] [2024-11-18 23:59:35,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:59:35,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-18 23:59:35,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-18 23:59:35,779 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-18 23:59:35,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-18 23:59:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:59:36,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-18 23:59:36,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:59:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 158 proven. 30 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-18 23:59:41,269 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 23:59:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-18 23:59:48,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1398657511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 23:59:48,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 23:59:48,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 23, 11] total 42 [2024-11-18 23:59:48,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860313757] [2024-11-18 23:59:48,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 23:59:48,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-18 23:59:48,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:59:48,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-18 23:59:48,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1831, Unknown=0, NotChecked=0, Total=2162 [2024-11-18 23:59:48,630 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 42 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 40 states have internal predecessors, (82), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-18 23:59:59,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:59:59,396 INFO L93 Difference]: Finished difference Result 181 states and 204 transitions. [2024-11-18 23:59:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-18 23:59:59,397 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 40 states have internal predecessors, (82), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 73 [2024-11-18 23:59:59,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:59:59,398 INFO L225 Difference]: With dead ends: 181 [2024-11-18 23:59:59,398 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 23:59:59,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3077 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=1951, Invalid=8761, Unknown=0, NotChecked=0, Total=10712 [2024-11-18 23:59:59,404 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 139 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-18 23:59:59,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 509 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-18 23:59:59,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 23:59:59,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 23:59:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 23:59:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 23:59:59,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2024-11-18 23:59:59,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:59:59,406 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 23:59:59,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 40 states have internal predecessors, (82), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-18 23:59:59,407 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 23:59:59,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 23:59:59,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:59:59,423 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 (4)] Ended with exit code 0 [2024-11-18 23:59:59,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-18 23:59:59,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-18 23:59:59,814 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 23:59:59,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 00:00:11,509 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 00:00:11,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,532 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,533 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-19 00:00:11,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,562 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-19 00:00:11,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-19 00:00:11,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-19 00:00:11,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,567 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,567 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,567 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-19 00:00:11,567 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-19 00:00:11,567 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,567 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-19 00:00:11,568 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-19 00:00:11,568 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-19 00:00:11,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:00:11 BoogieIcfgContainer [2024-11-19 00:00:11,575 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 00:00:11,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 00:00:11,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 00:00:11,577 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 00:00:11,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:18" (3/4) ... [2024-11-19 00:00:11,580 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 00:00:11,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-19 00:00:11,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-19 00:00:11,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 00:00:11,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 00:00:11,588 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 00:00:11,682 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 00:00:11,683 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 00:00:11,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 00:00:11,683 INFO L158 Benchmark]: Toolchain (without parser) took 54290.78ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 41.8MB in the beginning and 76.1MB in the end (delta: -34.3MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-19 00:00:11,684 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 56.6MB. Free memory was 28.4MB in the beginning and 28.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 00:00:11,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.57ms. Allocated memory is still 71.3MB. Free memory was 41.5MB in the beginning and 44.7MB in the end (delta: -3.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-19 00:00:11,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.17ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 00:00:11,685 INFO L158 Benchmark]: Boogie Preprocessor took 37.90ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 40.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 00:00:11,685 INFO L158 Benchmark]: RCFGBuilder took 562.91ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 45.5MB in the end (delta: -5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 00:00:11,686 INFO L158 Benchmark]: TraceAbstraction took 53205.76ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 44.8MB in the beginning and 81.3MB in the end (delta: -36.5MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2024-11-19 00:00:11,687 INFO L158 Benchmark]: Witness Printer took 107.37ms. Allocated memory is still 151.0MB. Free memory was 81.3MB in the beginning and 76.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 00:00:11,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 56.6MB. Free memory was 28.4MB in the beginning and 28.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.57ms. Allocated memory is still 71.3MB. Free memory was 41.5MB in the beginning and 44.7MB in the end (delta: -3.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.17ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.90ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 40.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.91ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 45.5MB in the end (delta: -5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 53205.76ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 44.8MB in the beginning and 81.3MB in the end (delta: -36.5MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * Witness Printer took 107.37ms. Allocated memory is still 151.0MB. Free memory was 81.3MB in the beginning and 76.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.4s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 193 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 736 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 577 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 943 IncrementalHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 159 mSDtfsCounter, 943 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 517 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3133 ImplicationChecksByTransitivity, 22.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=2, InterpolantAutomatonStates: 70, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 3507 SizeOfPredicates, 47 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 1254/1320 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((0 == var_1_11) && (var_1_12 <= 0)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((0 == var_1_11) || ((0 == var_1_11) && (var_1_12 <= 0))) || ((((((var_1_15 <= 1) && (0 == var_1_11)) && (var_1_14 >= 1)) && (var_1_14 <= 1)) && (var_1_12 <= 0)) && (var_1_15 >= 1))) Ensures: (((0 != cond) && (((0 == var_1_11) || ((0 == var_1_11) && (var_1_12 <= 0))) || ((((((var_1_15 <= 1) && (0 == var_1_11)) && (var_1_14 >= 1)) && (var_1_14 <= 1)) && (var_1_12 <= 0)) && (var_1_15 >= 1)))) && (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (var_1_19 == \old(var_1_19))) && (var_1_20 == \old(var_1_20)))) RESULT: Ultimate proved your program to be correct! [2024-11-19 00:00:11,821 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 Writing output log to file Ultimate.log Result: TRUE