./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 02:10:18,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 02:10:18,134 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 02:10:18,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 02:10:18,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 02:10:18,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 02:10:18,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 02:10:18,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 02:10:18,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 02:10:18,161 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 02:10:18,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 02:10:18,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 02:10:18,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 02:10:18,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 02:10:18,163 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 02:10:18,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 02:10:18,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 02:10:18,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 02:10:18,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 02:10:18,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 02:10:18,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 02:10:18,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 02:10:18,169 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 02:10:18,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 02:10:18,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 02:10:18,170 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 02:10:18,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 02:10:18,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 02:10:18,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 02:10:18,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 02:10:18,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 02:10:18,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 02:10:18,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 02:10:18,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 02:10:18,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 02:10:18,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 02:10:18,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 02:10:18,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 02:10:18,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 02:10:18,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f [2024-11-10 02:10:18,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 02:10:18,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 02:10:18,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 02:10:18,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 02:10:18,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 02:10:18,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c [2024-11-10 02:10:19,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 02:10:20,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 02:10:20,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c [2024-11-10 02:10:20,205 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84fd5b0f5/eda077b3deb549efa25d5c5868f5d905/FLAG9225ae972 [2024-11-10 02:10:20,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84fd5b0f5/eda077b3deb549efa25d5c5868f5d905 [2024-11-10 02:10:20,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 02:10:20,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 02:10:20,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 02:10:20,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 02:10:20,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 02:10:20,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:10:20" (1/1) ... [2024-11-10 02:10:20,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9e2380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:20, skipping insertion in model container [2024-11-10 02:10:20,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:10:20" (1/1) ... [2024-11-10 02:10:20,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 02:10:20,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260] [2024-11-10 02:10:20,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 02:10:20,948 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 02:10:20,961 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/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260] [2024-11-10 02:10:21,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 02:10:21,128 INFO L204 MainTranslator]: Completed translation [2024-11-10 02:10:21,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21 WrapperNode [2024-11-10 02:10:21,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 02:10:21,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 02:10:21,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 02:10:21,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 02:10:21,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:21,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:21,572 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3347 [2024-11-10 02:10:21,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 02:10:21,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 02:10:21,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 02:10:21,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 02:10:21,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:21,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:21,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:21,913 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]. [2024-11-10 02:10:21,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:21,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:22,050 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:22,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:22,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:22,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:22,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 02:10:22,187 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 02:10:22,187 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 02:10:22,188 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 02:10:22,188 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (1/1) ... [2024-11-10 02:10:22,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 02:10:22,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 02:10:22,225 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) [2024-11-10 02:10:22,228 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 [2024-11-10 02:10:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 02:10:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 02:10:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 02:10:22,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 02:10:22,737 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 02:10:22,739 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 02:10:25,499 INFO L? ?]: Removed 2326 outVars from TransFormulas that were not future-live. [2024-11-10 02:10:25,500 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 02:10:25,633 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 02:10:25,633 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 02:10:25,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:10:25 BoogieIcfgContainer [2024-11-10 02:10:25,633 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 02:10:25,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 02:10:25,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 02:10:25,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 02:10:25,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:10:20" (1/3) ... [2024-11-10 02:10:25,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4148000d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:10:25, skipping insertion in model container [2024-11-10 02:10:25,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:21" (2/3) ... [2024-11-10 02:10:25,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4148000d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:10:25, skipping insertion in model container [2024-11-10 02:10:25,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:10:25" (3/3) ... [2024-11-10 02:10:25,648 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_BufAl.c [2024-11-10 02:10:25,666 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 02:10:25,667 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 02:10:25,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 02:10:25,756 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;@82dce47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 02:10:25,757 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 02:10:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 721 states, 719 states have (on average 1.4965229485396383) internal successors, (1076), 720 states have internal predecessors, (1076), 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) [2024-11-10 02:10:25,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 02:10:25,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 02:10:25,777 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 02:10:25,777 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 02:10:25,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 02:10:25,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1256482757, now seen corresponding path program 1 times [2024-11-10 02:10:25,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 02:10:25,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767943172] [2024-11-10 02:10:25,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 02:10:25,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 02:10:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 02:10:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 02:10:26,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 02:10:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767943172] [2024-11-10 02:10:26,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767943172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 02:10:26,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 02:10:26,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 02:10:26,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778642373] [2024-11-10 02:10:26,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 02:10:26,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 02:10:26,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 02:10:26,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 02:10:26,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 02:10:26,731 INFO L87 Difference]: Start difference. First operand has 721 states, 719 states have (on average 1.4965229485396383) internal successors, (1076), 720 states have internal predecessors, (1076), 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) Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-10 02:10:27,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 02:10:27,261 INFO L93 Difference]: Finished difference Result 1357 states and 2029 transitions. [2024-11-10 02:10:27,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 02:10:27,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) Word has length 58 [2024-11-10 02:10:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 02:10:27,278 INFO L225 Difference]: With dead ends: 1357 [2024-11-10 02:10:27,278 INFO L226 Difference]: Without dead ends: 718 [2024-11-10 02:10:27,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 02:10:27,287 INFO L432 NwaCegarLoop]: 891 mSDtfsCounter, 0 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 02:10:27,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2668 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 02:10:27,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-11-10 02:10:27,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2024-11-10 02:10:27,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 717 states have (on average 1.4951185495118549) internal successors, (1072), 717 states have internal predecessors, (1072), 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) [2024-11-10 02:10:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1072 transitions. [2024-11-10 02:10:27,355 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1072 transitions. Word has length 58 [2024-11-10 02:10:27,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 02:10:27,355 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 1072 transitions. [2024-11-10 02:10:27,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-10 02:10:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1072 transitions. [2024-11-10 02:10:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 02:10:27,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 02:10:27,358 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 02:10:27,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 02:10:27,358 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 02:10:27,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 02:10:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash 441314237, now seen corresponding path program 1 times [2024-11-10 02:10:27,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 02:10:27,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181507359] [2024-11-10 02:10:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 02:10:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 02:10:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 02:10:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 02:10:27,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 02:10:27,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181507359] [2024-11-10 02:10:27,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181507359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 02:10:27,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 02:10:27,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 02:10:27,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501122840] [2024-11-10 02:10:27,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 02:10:27,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 02:10:27,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 02:10:27,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 02:10:27,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 02:10:27,613 INFO L87 Difference]: Start difference. First operand 718 states and 1072 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-10 02:10:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 02:10:27,992 INFO L93 Difference]: Finished difference Result 1356 states and 2025 transitions. [2024-11-10 02:10:27,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 02:10:27,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) Word has length 59 [2024-11-10 02:10:27,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 02:10:27,998 INFO L225 Difference]: With dead ends: 1356 [2024-11-10 02:10:27,998 INFO L226 Difference]: Without dead ends: 720 [2024-11-10 02:10:27,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 02:10:28,000 INFO L432 NwaCegarLoop]: 891 mSDtfsCounter, 0 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 02:10:28,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2665 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 02:10:28,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-10 02:10:28,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2024-11-10 02:10:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 719 states have (on average 1.493741307371349) internal successors, (1074), 719 states have internal predecessors, (1074), 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) [2024-11-10 02:10:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1074 transitions. [2024-11-10 02:10:28,023 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1074 transitions. Word has length 59 [2024-11-10 02:10:28,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 02:10:28,024 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 1074 transitions. [2024-11-10 02:10:28,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-10 02:10:28,024 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1074 transitions. [2024-11-10 02:10:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 02:10:28,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 02:10:28,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 02:10:28,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 02:10:28,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 02:10:28,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 02:10:28,027 INFO L85 PathProgramCache]: Analyzing trace with hash 543084074, now seen corresponding path program 1 times [2024-11-10 02:10:28,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 02:10:28,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791664042] [2024-11-10 02:10:28,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 02:10:28,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 02:10:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 02:10:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 02:10:28,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 02:10:28,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791664042] [2024-11-10 02:10:28,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791664042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 02:10:28,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 02:10:28,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 02:10:28,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534596396] [2024-11-10 02:10:28,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 02:10:28,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 02:10:28,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 02:10:28,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 02:10:28,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 02:10:28,479 INFO L87 Difference]: Start difference. First operand 720 states and 1074 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-11-10 02:10:29,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 02:10:29,246 INFO L93 Difference]: Finished difference Result 1362 states and 2032 transitions. [2024-11-10 02:10:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 02:10:29,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) Word has length 60 [2024-11-10 02:10:29,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 02:10:29,250 INFO L225 Difference]: With dead ends: 1362 [2024-11-10 02:10:29,252 INFO L226 Difference]: Without dead ends: 724 [2024-11-10 02:10:29,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 02:10:29,254 INFO L432 NwaCegarLoop]: 860 mSDtfsCounter, 1025 mSDsluCounter, 2573 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 3433 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 02:10:29,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 3433 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 02:10:29,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-10 02:10:29,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 723. [2024-11-10 02:10:29,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 722 states have (on average 1.4916897506925209) internal successors, (1077), 722 states have internal predecessors, (1077), 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) [2024-11-10 02:10:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1077 transitions. [2024-11-10 02:10:29,276 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1077 transitions. Word has length 60 [2024-11-10 02:10:29,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 02:10:29,277 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 1077 transitions. [2024-11-10 02:10:29,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-11-10 02:10:29,277 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1077 transitions. [2024-11-10 02:10:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 02:10:29,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 02:10:29,281 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 02:10:29,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 02:10:29,281 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 02:10:29,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 02:10:29,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1988162053, now seen corresponding path program 1 times [2024-11-10 02:10:29,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 02:10:29,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497013835] [2024-11-10 02:10:29,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 02:10:29,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 02:10:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 02:10:29,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 02:10:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 02:10:29,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 02:10:29,475 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 02:10:29,476 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 02:10:29,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 02:10:29,481 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 02:10:29,561 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 02:10:29,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:10:29 BoogieIcfgContainer [2024-11-10 02:10:29,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 02:10:29,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 02:10:29,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 02:10:29,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 02:10:29,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:10:25" (3/4) ... [2024-11-10 02:10:29,572 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 02:10:29,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 02:10:29,576 INFO L158 Benchmark]: Toolchain (without parser) took 9353.30ms. Allocated memory was 178.3MB in the beginning and 467.7MB in the end (delta: 289.4MB). Free memory was 140.8MB in the beginning and 294.7MB in the end (delta: -153.8MB). Peak memory consumption was 134.7MB. Max. memory is 16.1GB. [2024-11-10 02:10:29,576 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 02:10:29,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.28ms. Allocated memory is still 178.3MB. Free memory was 140.8MB in the beginning and 64.4MB in the end (delta: 76.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-11-10 02:10:29,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 441.89ms. Allocated memory is still 178.3MB. Free memory was 64.4MB in the beginning and 77.1MB in the end (delta: -12.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-10 02:10:29,578 INFO L158 Benchmark]: Boogie Preprocessor took 612.57ms. Allocated memory was 178.3MB in the beginning and 327.2MB in the end (delta: 148.9MB). Free memory was 77.1MB in the beginning and 223.3MB in the end (delta: -146.3MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-10 02:10:29,579 INFO L158 Benchmark]: IcfgBuilder took 3446.14ms. Allocated memory was 327.2MB in the beginning and 467.7MB in the end (delta: 140.5MB). Free memory was 223.3MB in the beginning and 327.4MB in the end (delta: -104.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2024-11-10 02:10:29,579 INFO L158 Benchmark]: TraceAbstraction took 3928.49ms. Allocated memory is still 467.7MB. Free memory was 326.4MB in the beginning and 294.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-10 02:10:29,579 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 467.7MB. Free memory is still 294.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 02:10:29,581 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.28ms. Allocated memory is still 178.3MB. Free memory was 140.8MB in the beginning and 64.4MB in the end (delta: 76.4MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 441.89ms. Allocated memory is still 178.3MB. Free memory was 64.4MB in the beginning and 77.1MB in the end (delta: -12.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 612.57ms. Allocated memory was 178.3MB in the beginning and 327.2MB in the end (delta: 148.9MB). Free memory was 77.1MB in the beginning and 223.3MB in the end (delta: -146.3MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * IcfgBuilder took 3446.14ms. Allocated memory was 327.2MB in the beginning and 467.7MB in the end (delta: 140.5MB). Free memory was 223.3MB in the beginning and 327.4MB in the end (delta: -104.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3928.49ms. Allocated memory is still 467.7MB. Free memory was 326.4MB in the beginning and 294.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 467.7MB. Free memory is still 294.7MB. 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: 21]: 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 bitwiseAnd at line 166. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 5); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (5 - 1); [L35] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 32); [L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (32 - 1); [L38] const SORT_7 var_8 = 0; [L39] const SORT_12 var_14 = 0; [L40] const SORT_1 var_22 = 1; [L41] const SORT_1 var_26 = 0; [L42] const SORT_12 var_29 = 15; [L43] const SORT_12 var_79 = 14; [L44] const SORT_12 var_97 = 13; [L45] const SORT_12 var_115 = 12; [L46] const SORT_12 var_133 = 11; [L47] const SORT_12 var_151 = 10; [L48] const SORT_12 var_169 = 9; [L49] const SORT_12 var_187 = 8; [L50] const SORT_12 var_205 = 7; [L51] const SORT_12 var_223 = 6; [L52] const SORT_12 var_241 = 5; [L53] const SORT_12 var_259 = 4; [L54] const SORT_12 var_277 = 3; [L55] const SORT_12 var_295 = 2; [L56] const SORT_12 var_313 = 1; [L57] const SORT_4 var_352 = 0; [L58] const SORT_12 var_356 = 16; [L60] SORT_1 input_2; [L61] SORT_1 input_3; [L62] SORT_4 input_5; [L63] SORT_1 input_6; [L64] SORT_1 input_391; [L65] SORT_4 input_393; [L66] SORT_1 input_409; [L67] SORT_4 input_413; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L69] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L70] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L71] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L72] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L73] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L74] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L75] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L76] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L77] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L78] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L79] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L80] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L81] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L82] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L83] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L84] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L85] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L86] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L87] SORT_1 state_350 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L88] SORT_4 state_353 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L90] SORT_7 init_10_arg_1 = var_8; [L91] state_9 = init_10_arg_1 [L92] SORT_1 init_28_arg_1 = var_26; [L93] state_27 = init_28_arg_1 [L94] SORT_1 init_31_arg_1 = var_26; [L95] state_30 = init_31_arg_1 [L96] SORT_1 init_33_arg_1 = var_26; [L97] state_32 = init_33_arg_1 [L98] SORT_1 init_36_arg_1 = var_26; [L99] state_35 = init_36_arg_1 [L100] SORT_1 init_38_arg_1 = var_26; [L101] state_37 = init_38_arg_1 [L102] SORT_1 init_42_arg_1 = var_26; [L103] state_41 = init_42_arg_1 [L104] SORT_1 init_44_arg_1 = var_26; [L105] state_43 = init_44_arg_1 [L106] SORT_1 init_47_arg_1 = var_26; [L107] state_46 = init_47_arg_1 [L108] SORT_1 init_49_arg_1 = var_26; [L109] state_48 = init_49_arg_1 [L110] SORT_1 init_54_arg_1 = var_26; [L111] state_53 = init_54_arg_1 [L112] SORT_1 init_56_arg_1 = var_26; [L113] state_55 = init_56_arg_1 [L114] SORT_1 init_59_arg_1 = var_26; [L115] state_58 = init_59_arg_1 [L116] SORT_1 init_61_arg_1 = var_26; [L117] state_60 = init_61_arg_1 [L118] SORT_1 init_65_arg_1 = var_26; [L119] state_64 = init_65_arg_1 [L120] SORT_1 init_67_arg_1 = var_26; [L121] state_66 = init_67_arg_1 [L122] SORT_1 init_70_arg_1 = var_26; [L123] state_69 = init_70_arg_1 [L124] SORT_1 init_72_arg_1 = var_26; [L125] state_71 = init_72_arg_1 [L126] SORT_1 init_351_arg_1 = var_26; [L127] state_350 = init_351_arg_1 [L128] SORT_4 init_354_arg_1 = var_352; [L129] state_353 = init_354_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L132] input_2 = __VERIFIER_nondet_uchar() [L133] input_3 = __VERIFIER_nondet_uchar() [L134] input_5 = __VERIFIER_nondet_uchar() [L135] input_6 = __VERIFIER_nondet_uchar() [L136] EXPR input_6 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L136] input_6 = input_6 & mask_SORT_1 [L137] input_391 = __VERIFIER_nondet_uchar() [L138] input_393 = __VERIFIER_nondet_uchar() [L139] input_409 = __VERIFIER_nondet_uchar() [L140] input_413 = __VERIFIER_nondet_uchar() [L143] SORT_7 var_11_arg_0 = state_9; [L144] SORT_1 var_11 = var_11_arg_0 >> 4; [L145] SORT_1 var_13_arg_0 = var_11; VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_13_arg_0=0, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L146] EXPR var_13_arg_0 & mask_SORT_1 VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L146] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L147] SORT_12 var_13 = var_13_arg_0; [L148] SORT_12 var_15_arg_0 = var_13; [L149] SORT_12 var_15_arg_1 = var_14; [L150] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L151] SORT_7 var_16_arg_0 = state_9; [L152] SORT_4 var_16 = var_16_arg_0 >> 0; [L153] SORT_4 var_17_arg_0 = var_16; VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_15=1, var_169=9, var_17_arg_0=0, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L154] EXPR var_17_arg_0 & mask_SORT_4 VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_15=1, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L154] var_17_arg_0 = var_17_arg_0 & mask_SORT_4 [L155] SORT_12 var_17 = var_17_arg_0; [L156] SORT_12 var_18_arg_0 = var_17; [L157] SORT_12 var_18_arg_1 = var_14; [L158] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L159] SORT_1 var_19_arg_0 = var_15; [L160] SORT_1 var_19_arg_1 = var_18; VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_19_arg_0=1, var_19_arg_1=1, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L161] EXPR var_19_arg_0 | var_19_arg_1 VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L161] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L162] SORT_1 var_23_arg_0 = var_19; [L163] SORT_1 var_23 = ~var_23_arg_0; [L164] SORT_1 var_24_arg_0 = var_22; [L165] SORT_1 var_24_arg_1 = var_23; VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_24_arg_0=1, var_24_arg_1=-2, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L166] EXPR var_24_arg_0 & var_24_arg_1 VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L166] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L167] EXPR var_24 & mask_SORT_1 VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13] [L167] var_24 = var_24 & mask_SORT_1 [L168] SORT_1 bad_25_arg_0 = var_24; [L169] CALL __VERIFIER_assert(!(bad_25_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 721 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1025 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1025 mSDsluCounter, 8766 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6124 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1929 IncrementalHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2642 mSDtfsCounter, 1929 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=723occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-10 02:10:29,619 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/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 02:10:31,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 02:10:31,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-10 02:10:31,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 02:10:31,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 02:10:32,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 02:10:32,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 02:10:32,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 02:10:32,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 02:10:32,026 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 02:10:32,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 02:10:32,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 02:10:32,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 02:10:32,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 02:10:32,031 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 02:10:32,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 02:10:32,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 02:10:32,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 02:10:32,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 02:10:32,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 02:10:32,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 02:10:32,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 02:10:32,035 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 02:10:32,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 02:10:32,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 02:10:32,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 02:10:32,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 02:10:32,036 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 02:10:32,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 02:10:32,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 02:10:32,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 02:10:32,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 02:10:32,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 02:10:32,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 02:10:32,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 02:10:32,039 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 02:10:32,039 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 02:10:32,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 02:10:32,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 02:10:32,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 02:10:32,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 02:10:32,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f [2024-11-10 02:10:32,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 02:10:32,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 02:10:32,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 02:10:32,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 02:10:32,406 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 02:10:32,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c [2024-11-10 02:10:33,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 02:10:34,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 02:10:34,299 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c [2024-11-10 02:10:34,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c281a019/dcd54a9cf1c844888ff499c01b095a15/FLAG844f6c2b8 [2024-11-10 02:10:34,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c281a019/dcd54a9cf1c844888ff499c01b095a15 [2024-11-10 02:10:34,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 02:10:34,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 02:10:34,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 02:10:34,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 02:10:34,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 02:10:34,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:10:34" (1/1) ... [2024-11-10 02:10:34,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44833d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:34, skipping insertion in model container [2024-11-10 02:10:34,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:10:34" (1/1) ... [2024-11-10 02:10:34,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 02:10:34,655 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/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260] [2024-11-10 02:10:35,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 02:10:35,036 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 02:10:35,048 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/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260] [2024-11-10 02:10:35,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 02:10:35,227 INFO L204 MainTranslator]: Completed translation [2024-11-10 02:10:35,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35 WrapperNode [2024-11-10 02:10:35,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 02:10:35,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 02:10:35,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 02:10:35,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 02:10:35,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,374 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1931 [2024-11-10 02:10:35,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 02:10:35,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 02:10:35,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 02:10:35,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 02:10:35,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,404 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,472 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]. [2024-11-10 02:10:35,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,520 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 02:10:35,570 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 02:10:35,570 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 02:10:35,570 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 02:10:35,571 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (1/1) ... [2024-11-10 02:10:35,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 02:10:35,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 02:10:35,607 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) [2024-11-10 02:10:35,611 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 [2024-11-10 02:10:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 02:10:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 02:10:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 02:10:35,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 02:10:36,077 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 02:10:36,080 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 02:10:42,028 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-10 02:10:42,029 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 02:10:42,039 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 02:10:42,039 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 02:10:42,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:10:42 BoogieIcfgContainer [2024-11-10 02:10:42,041 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 02:10:42,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 02:10:42,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 02:10:42,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 02:10:42,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:10:34" (1/3) ... [2024-11-10 02:10:42,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755ce888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:10:42, skipping insertion in model container [2024-11-10 02:10:42,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:10:35" (2/3) ... [2024-11-10 02:10:42,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755ce888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:10:42, skipping insertion in model container [2024-11-10 02:10:42,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:10:42" (3/3) ... [2024-11-10 02:10:42,052 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_BufAl.c [2024-11-10 02:10:42,069 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 02:10:42,070 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 02:10:42,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 02:10:42,140 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;@7b84b4ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 02:10:42,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 02:10:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-10 02:10:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 02:10:42,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 02:10:42,151 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 02:10:42,152 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 02:10:42,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 02:10:42,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1271070717, now seen corresponding path program 1 times [2024-11-10 02:10:42,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 02:10:42,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489301076] [2024-11-10 02:10:42,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 02:10:42,172 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 [2024-11-10 02:10:42,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 02:10:42,174 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) [2024-11-10 02:10:42,175 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 [2024-11-10 02:10:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 02:10:42,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-10 02:10:42,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 02:10:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 02:10:42,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 02:10:42,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 02:10:42,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489301076] [2024-11-10 02:10:42,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489301076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 02:10:42,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 02:10:42,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 02:10:42,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489264957] [2024-11-10 02:10:42,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 02:10:42,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 02:10:42,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 02:10:42,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 02:10:42,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 02:10:42,866 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-10 02:10:42,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 02:10:42,963 INFO L93 Difference]: Finished difference Result 22 states and 27 transitions. [2024-11-10 02:10:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 02:10:42,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) Word has length 6 [2024-11-10 02:10:42,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 02:10:42,973 INFO L225 Difference]: With dead ends: 22 [2024-11-10 02:10:42,973 INFO L226 Difference]: Without dead ends: 11 [2024-11-10 02:10:42,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 02:10:42,979 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 02:10:42,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 02:10:42,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-11-10 02:10:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-10 02:10:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2024-11-10 02:10:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-10 02:10:43,014 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-10 02:10:43,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 02:10:43,015 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-10 02:10:43,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-10 02:10:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-10 02:10:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 02:10:43,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 02:10:43,017 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 02:10:43,022 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 [2024-11-10 02:10:43,220 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 [2024-11-10 02:10:43,221 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 02:10:43,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 02:10:43,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2061110753, now seen corresponding path program 1 times [2024-11-10 02:10:43,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 02:10:43,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111729561] [2024-11-10 02:10:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 02:10:43,224 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 [2024-11-10 02:10:43,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 02:10:43,233 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) [2024-11-10 02:10:43,235 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 [2024-11-10 02:10:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 02:10:43,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 02:10:43,925 INFO L278 TraceCheckSpWp]: Computing forward predicates...