./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/gcd_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/bitvector/gcd_1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 21:13:05,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 21:13:05,764 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 21:13:05,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 21:13:05,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 21:13:05,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 21:13:05,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 21:13:05,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 21:13:05,788 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 21:13:05,789 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 21:13:05,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 21:13:05,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 21:13:05,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 21:13:05,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 21:13:05,791 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 21:13:05,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 21:13:05,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 21:13:05,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 21:13:05,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 21:13:05,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 21:13:05,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 21:13:05,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 21:13:05,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 21:13:05,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 21:13:05,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 21:13:05,795 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 21:13:05,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 21:13:05,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 21:13:05,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 21:13:05,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 21:13:05,796 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 21:13:05,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 21:13:05,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 21:13:05,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 21:13:05,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 21:13:05,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 21:13:05,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 21:13:05,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 21:13:05,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 21:13:05,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 21:13:05,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 21:13:05,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 21:13:05,800 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde [2024-11-21 21:13:05,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 21:13:06,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 21:13:06,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 21:13:06,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 21:13:06,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 21:13:06,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/gcd_1.c [2024-11-21 21:13:07,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 21:13:07,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 21:13:07,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_1.c [2024-11-21 21:13:07,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faaa52575/206691e3867841469e26b002f911374b/FLAGbdf33b13e [2024-11-21 21:13:07,345 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faaa52575/206691e3867841469e26b002f911374b [2024-11-21 21:13:07,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 21:13:07,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 21:13:07,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 21:13:07,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 21:13:07,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 21:13:07,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7faeba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07, skipping insertion in model container [2024-11-21 21:13:07,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 21:13:07,518 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/bitvector/gcd_1.c[664,677] [2024-11-21 21:13:07,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 21:13:07,543 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 21:13:07,554 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/bitvector/gcd_1.c[664,677] [2024-11-21 21:13:07,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 21:13:07,576 INFO L204 MainTranslator]: Completed translation [2024-11-21 21:13:07,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07 WrapperNode [2024-11-21 21:13:07,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 21:13:07,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 21:13:07,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 21:13:07,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 21:13:07,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,604 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-11-21 21:13:07,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 21:13:07,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 21:13:07,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 21:13:07,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 21:13:07,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,624 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-21 21:13:07,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 21:13:07,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 21:13:07,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 21:13:07,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 21:13:07,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (1/1) ... [2024-11-21 21:13:07,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 21:13:07,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 21:13:07,681 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) [2024-11-21 21:13:07,683 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 [2024-11-21 21:13:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 21:13:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-21 21:13:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-21 21:13:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 21:13:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 21:13:07,769 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 21:13:07,772 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 21:13:07,904 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-21 21:13:07,904 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 21:13:07,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 21:13:07,916 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-21 21:13:07,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:13:07 BoogieIcfgContainer [2024-11-21 21:13:07,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 21:13:07,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 21:13:07,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 21:13:07,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 21:13:07,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:13:07" (1/3) ... [2024-11-21 21:13:07,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa0a7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:13:07, skipping insertion in model container [2024-11-21 21:13:07,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:13:07" (2/3) ... [2024-11-21 21:13:07,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa0a7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:13:07, skipping insertion in model container [2024-11-21 21:13:07,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:13:07" (3/3) ... [2024-11-21 21:13:07,929 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_1.c [2024-11-21 21:13:07,942 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 21:13:07,943 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 21:13:07,992 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 21:13:07,998 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;@4d324048, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 21:13:07,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 21:13:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 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) [2024-11-21 21:13:08,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-21 21:13:08,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 21:13:08,009 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 21:13:08,010 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 21:13:08,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 21:13:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash -2002478831, now seen corresponding path program 1 times [2024-11-21 21:13:08,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 21:13:08,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371091239] [2024-11-21 21:13:08,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 21:13:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 21:13:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 21:13:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 21:13:08,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 21:13:08,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371091239] [2024-11-21 21:13:08,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371091239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 21:13:08,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 21:13:08,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 21:13:08,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778875997] [2024-11-21 21:13:08,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 21:13:08,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 21:13:08,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 21:13:08,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 21:13:08,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 21:13:08,257 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-21 21:13:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 21:13:08,282 INFO L93 Difference]: Finished difference Result 28 states and 37 transitions. [2024-11-21 21:13:08,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 21:13:08,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) Word has length 10 [2024-11-21 21:13:08,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 21:13:08,314 INFO L225 Difference]: With dead ends: 28 [2024-11-21 21:13:08,314 INFO L226 Difference]: Without dead ends: 12 [2024-11-21 21:13:08,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 21:13:08,320 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 21:13:08,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 27 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 21:13:08,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-21 21:13:08,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-21 21:13:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2024-11-21 21:13:08,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2024-11-21 21:13:08,359 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2024-11-21 21:13:08,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 21:13:08,360 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-21 21:13:08,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-11-21 21:13:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-21 21:13:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-21 21:13:08,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 21:13:08,361 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 21:13:08,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 21:13:08,362 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 21:13:08,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 21:13:08,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1895646932, now seen corresponding path program 1 times [2024-11-21 21:13:08,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 21:13:08,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399162846] [2024-11-21 21:13:08,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 21:13:08,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 21:13:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 21:13:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 21:13:08,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 21:13:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399162846] [2024-11-21 21:13:08,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399162846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 21:13:08,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331043376] [2024-11-21 21:13:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 21:13:08,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 21:13:08,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 21:13:08,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 21:13:08,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-21 21:13:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 21:13:08,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-21 21:13:08,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 21:13:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 21:13:08,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 21:13:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 21:13:08,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331043376] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 21:13:08,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 21:13:08,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2024-11-21 21:13:08,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993500403] [2024-11-21 21:13:08,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 21:13:08,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 21:13:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 21:13:08,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 21:13:08,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-21 21:13:08,791 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-11-21 21:13:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 21:13:08,837 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-21 21:13:08,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 21:13:08,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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 11 [2024-11-21 21:13:08,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 21:13:08,838 INFO L225 Difference]: With dead ends: 18 [2024-11-21 21:13:08,838 INFO L226 Difference]: Without dead ends: 13 [2024-11-21 21:13:08,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-21 21:13:08,839 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 21:13:08,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 21:13:08,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-21 21:13:08,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-21 21:13:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) 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) [2024-11-21 21:13:08,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-21 21:13:08,844 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-11-21 21:13:08,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 21:13:08,845 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-21 21:13:08,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-11-21 21:13:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-21 21:13:08,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-21 21:13:08,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 21:13:08,846 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 21:13:08,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-21 21:13:09,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 21:13:09,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 21:13:09,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 21:13:09,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1416141937, now seen corresponding path program 2 times [2024-11-21 21:13:09,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 21:13:09,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311236839] [2024-11-21 21:13:09,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 21:13:09,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 21:13:09,081 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 21:13:09,081 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-21 21:13:09,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762129149] [2024-11-21 21:13:09,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 21:13:09,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 21:13:09,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 21:13:09,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 21:13:09,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 21:13:13,697 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 21:13:13,698 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 21:13:13,700 WARN L253 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 21:13:13,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 21:13:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 21:13:19,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 21:14:26,200 WARN L286 SmtUtils]: Spent 38.21s on a formula simplification. DAG size of input: 125 DAG size of output: 122 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)