./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2274e339d27706db1309e66a8dc56713dc7b235e9296f50d0c5bcd9c8dae4a5d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 14:06:44,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 14:06:45,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 14:06:45,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 14:06:45,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 14:06:45,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 14:06:45,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 14:06:45,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 14:06:45,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 14:06:45,093 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 14:06:45,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 14:06:45,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 14:06:45,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 14:06:45,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 14:06:45,094 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 14:06:45,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 14:06:45,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 14:06:45,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 14:06:45,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 14:06:45,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 14:06:45,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 14:06:45,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 14:06:45,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 14:06:45,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 14:06:45,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 14:06:45,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 14:06:45,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 14:06:45,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 14:06:45,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 14:06:45,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 14:06:45,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 14:06:45,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 14:06:45,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 14:06:45,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 14:06:45,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 14:06:45,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 14:06:45,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 14:06:45,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 14:06:45,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 14:06:45,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 14:06:45,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 14:06:45,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 14:06:45,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2274e339d27706db1309e66a8dc56713dc7b235e9296f50d0c5bcd9c8dae4a5d [2024-10-14 14:06:45,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 14:06:45,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 14:06:45,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 14:06:45,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 14:06:45,415 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 14:06:45,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i [2024-10-14 14:06:46,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 14:06:47,048 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 14:06:47,049 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i [2024-10-14 14:06:47,077 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ccbef09/508bea248d8a415b8dfc1a9c2e7abbe9/FLAG354063de0 [2024-10-14 14:06:47,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ccbef09/508bea248d8a415b8dfc1a9c2e7abbe9 [2024-10-14 14:06:47,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 14:06:47,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 14:06:47,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 14:06:47,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 14:06:47,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 14:06:47,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399edd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47, skipping insertion in model container [2024-10-14 14:06:47,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 14:06:47,617 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i[917,930] [2024-10-14 14:06:47,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:06:47,690 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 14:06:47,702 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i[917,930] [2024-10-14 14:06:47,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:06:47,764 INFO L204 MainTranslator]: Completed translation [2024-10-14 14:06:47,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47 WrapperNode [2024-10-14 14:06:47,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 14:06:47,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 14:06:47,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 14:06:47,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 14:06:47,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,837 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 479 [2024-10-14 14:06:47,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 14:06:47,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 14:06:47,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 14:06:47,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 14:06:47,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,858 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,879 INFO L175 MemorySlicer]: Split 120 memory accesses to 2 slices as follows [2, 118]. 98 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 16]. The 17 writes are split as follows [0, 17]. [2024-10-14 14:06:47,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 14:06:47,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 14:06:47,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 14:06:47,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 14:06:47,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (1/1) ... [2024-10-14 14:06:47,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 14:06:47,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 14:06:47,967 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) [2024-10-14 14:06:47,971 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 [2024-10-14 14:06:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 14:06:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 14:06:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 14:06:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 14:06:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 14:06:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 14:06:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 14:06:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 14:06:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 14:06:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-14 14:06:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-14 14:06:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 14:06:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 14:06:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 14:06:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 14:06:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 14:06:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 14:06:48,164 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 14:06:48,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 14:06:48,652 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-10-14 14:06:48,652 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 14:06:48,689 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 14:06:48,693 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 14:06:48,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:06:48 BoogieIcfgContainer [2024-10-14 14:06:48,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 14:06:48,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 14:06:48,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 14:06:48,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 14:06:48,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:06:47" (1/3) ... [2024-10-14 14:06:48,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785c8a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:06:48, skipping insertion in model container [2024-10-14 14:06:48,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:06:47" (2/3) ... [2024-10-14 14:06:48,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785c8a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:06:48, skipping insertion in model container [2024-10-14 14:06:48,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:06:48" (3/3) ... [2024-10-14 14:06:48,706 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-40.i [2024-10-14 14:06:48,724 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 14:06:48,724 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 14:06:48,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 14:06:48,808 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;@2c576f8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 14:06:48,809 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 14:06:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 14:06:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-14 14:06:48,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 14:06:48,829 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 14:06:48,829 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 14:06:48,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 14:06:48,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1535190352, now seen corresponding path program 1 times [2024-10-14 14:06:48,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 14:06:48,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920328960] [2024-10-14 14:06:48,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 14:06:48,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 14:06:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 14:06:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 14:06:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 14:06:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 14:06:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 14:06:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 14:06:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 14:06:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 14:06:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 14:06:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 14:06:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 14:06:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 14:06:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 14:06:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 14:06:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 14:06:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 14:06:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 14:06:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 14:06:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 14:06:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 14:06:49,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 14:06:49,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920328960] [2024-10-14 14:06:49,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920328960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 14:06:49,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 14:06:49,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 14:06:49,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104401703] [2024-10-14 14:06:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 14:06:49,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 14:06:49,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 14:06:49,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 14:06:49,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 14:06:49,413 INFO L87 Difference]: Start difference. First operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 14:06:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 14:06:49,467 INFO L93 Difference]: Finished difference Result 209 states and 337 transitions. [2024-10-14 14:06:49,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 14:06:49,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 145 [2024-10-14 14:06:49,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 14:06:49,479 INFO L225 Difference]: With dead ends: 209 [2024-10-14 14:06:49,479 INFO L226 Difference]: Without dead ends: 104 [2024-10-14 14:06:49,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 14:06:49,488 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 14:06:49,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 14:06:49,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-14 14:06:49,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-14 14:06:49,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 14:06:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 155 transitions. [2024-10-14 14:06:49,555 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 155 transitions. Word has length 145 [2024-10-14 14:06:49,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 14:06:49,557 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 155 transitions. [2024-10-14 14:06:49,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 14:06:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2024-10-14 14:06:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-14 14:06:49,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 14:06:49,564 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 14:06:49,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 14:06:49,565 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 14:06:49,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 14:06:49,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1610267518, now seen corresponding path program 1 times [2024-10-14 14:06:49,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 14:06:49,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596189639] [2024-10-14 14:06:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 14:06:49,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 14:06:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 14:06:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 14:06:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 14:06:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 14:06:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 14:06:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 14:06:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 14:06:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 14:06:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 14:06:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 14:06:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 14:06:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 14:06:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 14:06:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 14:06:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 14:06:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 14:06:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 14:06:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 14:06:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 14:06:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 14:06:50,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 14:06:50,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596189639] [2024-10-14 14:06:50,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596189639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 14:06:50,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 14:06:50,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 14:06:50,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018978662] [2024-10-14 14:06:50,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 14:06:50,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 14:06:50,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 14:06:50,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 14:06:50,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 14:06:50,176 INFO L87 Difference]: Start difference. First operand 104 states and 155 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 14:06:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 14:06:50,241 INFO L93 Difference]: Finished difference Result 209 states and 312 transitions. [2024-10-14 14:06:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 14:06:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2024-10-14 14:06:50,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 14:06:50,246 INFO L225 Difference]: With dead ends: 209 [2024-10-14 14:06:50,246 INFO L226 Difference]: Without dead ends: 106 [2024-10-14 14:06:50,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 14:06:50,249 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 14:06:50,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 440 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 14:06:50,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-14 14:06:50,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-10-14 14:06:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.4) internal successors, (119), 85 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 14:06:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 157 transitions. [2024-10-14 14:06:50,265 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 157 transitions. Word has length 145 [2024-10-14 14:06:50,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 14:06:50,268 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 157 transitions. [2024-10-14 14:06:50,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 14:06:50,269 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2024-10-14 14:06:50,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 14:06:50,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 14:06:50,271 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 14:06:50,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 14:06:50,273 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 14:06:50,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 14:06:50,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1235371411, now seen corresponding path program 1 times [2024-10-14 14:06:50,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 14:06:50,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853633152] [2024-10-14 14:06:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 14:06:50,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 14:06:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 14:06:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 14:06:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 14:06:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 14:06:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 14:06:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 14:06:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 14:06:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 14:06:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 14:06:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 14:06:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 14:06:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 14:06:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 14:06:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 14:06:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 14:06:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 14:06:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 14:06:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 14:06:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 14:06:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 14:06:50,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 14:06:50,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853633152] [2024-10-14 14:06:50,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853633152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 14:06:50,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 14:06:50,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 14:06:50,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495441337] [2024-10-14 14:06:50,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 14:06:50,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 14:06:50,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 14:06:50,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 14:06:50,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 14:06:50,541 INFO L87 Difference]: Start difference. First operand 106 states and 157 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 14:06:50,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 14:06:50,607 INFO L93 Difference]: Finished difference Result 214 states and 317 transitions. [2024-10-14 14:06:50,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 14:06:50,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 14:06:50,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 14:06:50,610 INFO L225 Difference]: With dead ends: 214 [2024-10-14 14:06:50,610 INFO L226 Difference]: Without dead ends: 109 [2024-10-14 14:06:50,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 14:06:50,611 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 14:06:50,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 437 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 14:06:50,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-14 14:06:50,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-10-14 14:06:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 87 states have internal predecessors, (121), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 14:06:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2024-10-14 14:06:50,620 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 148 [2024-10-14 14:06:50,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 14:06:50,621 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2024-10-14 14:06:50,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 14:06:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2024-10-14 14:06:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 14:06:50,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 14:06:50,625 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 14:06:50,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 14:06:50,625 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 14:06:50,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 14:06:50,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2044718037, now seen corresponding path program 1 times [2024-10-14 14:06:50,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 14:06:50,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823029714] [2024-10-14 14:06:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 14:06:50,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 14:06:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 14:06:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 14:06:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 14:06:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 14:06:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 14:06:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 14:06:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 14:06:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 14:06:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 14:06:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 14:06:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 14:06:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 14:06:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 14:06:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 14:06:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 14:06:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 14:06:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 14:06:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 14:06:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 14:06:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:06:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 14:06:50,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 14:06:50,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823029714] [2024-10-14 14:06:50,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823029714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 14:06:50,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 14:06:50,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 14:06:50,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054141119] [2024-10-14 14:06:50,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 14:06:50,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 14:06:50,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 14:06:50,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 14:06:50,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 14:06:50,830 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 14:06:50,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 14:06:50,864 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2024-10-14 14:06:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 14:06:50,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 14:06:50,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 14:06:50,866 INFO L225 Difference]: With dead ends: 218 [2024-10-14 14:06:50,866 INFO L226 Difference]: Without dead ends: 111 [2024-10-14 14:06:50,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 14:06:50,868 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 14:06:50,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 441 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 14:06:50,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-14 14:06:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-10-14 14:06:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 14:06:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2024-10-14 14:06:50,877 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 148 [2024-10-14 14:06:50,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 14:06:50,877 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2024-10-14 14:06:50,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 14:06:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2024-10-14 14:06:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 14:06:50,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 14:06:50,882 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 14:06:50,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 14:06:50,882 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 14:06:50,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 14:06:50,882 INFO L85 PathProgramCache]: Analyzing trace with hash -2044658455, now seen corresponding path program 1 times [2024-10-14 14:06:50,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 14:06:50,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288722350] [2024-10-14 14:06:50,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 14:06:50,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 14:06:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 14:07:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 14:07:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 14:07:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 14:07:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 14:07:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 14:07:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 14:07:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 14:07:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 14:07:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 14:07:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 14:07:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 14:07:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 14:07:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 14:07:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 14:07:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 14:07:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:06,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 14:07:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:07,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 14:07:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:07,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 14:07:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-10-14 14:07:07,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 14:07:07,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288722350] [2024-10-14 14:07:07,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288722350] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 14:07:07,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601340556] [2024-10-14 14:07:07,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 14:07:07,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 14:07:07,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 14:07:07,053 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) [2024-10-14 14:07:07,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 14:07:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:07:07,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-10-14 14:07:07,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 14:07:07,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-14 14:07:08,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-14 14:07:09,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-14 14:07:10,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-14 14:07:11,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-14 14:07:12,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-14 14:07:13,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-14 14:07:14,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-14 14:07:14,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-14 14:07:15,529 INFO L349 Elim1Store]: treesize reduction 88, result has 17.0 percent of original size [2024-10-14 14:07:15,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 174 treesize of output 176 [2024-10-14 14:07:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,670 INFO L349 Elim1Store]: treesize reduction 46, result has 39.5 percent of original size [2024-10-14 14:07:15,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 160 [2024-10-14 14:07:15,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:15,889 INFO L349 Elim1Store]: treesize reduction 173, result has 20.3 percent of original size [2024-10-14 14:07:15,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 61 treesize of output 172 [2024-10-14 14:07:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:16,792 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-10-14 14:07:16,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 219 treesize of output 191 [2024-10-14 14:07:16,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 59 [2024-10-14 14:07:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:16,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2024-10-14 14:07:16,979 INFO L349 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2024-10-14 14:07:16,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2024-10-14 14:07:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,013 INFO L349 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2024-10-14 14:07:17,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 106 treesize of output 93 [2024-10-14 14:07:17,032 INFO L349 Elim1Store]: treesize reduction 33, result has 8.3 percent of original size [2024-10-14 14:07:17,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 66 [2024-10-14 14:07:17,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-10-14 14:07:17,090 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-14 14:07:17,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 15 [2024-10-14 14:07:17,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 133 [2024-10-14 14:07:17,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 97 [2024-10-14 14:07:17,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,209 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-10-14 14:07:17,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 80 [2024-10-14 14:07:17,715 INFO L349 Elim1Store]: treesize reduction 58, result has 23.7 percent of original size [2024-10-14 14:07:17,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 102 [2024-10-14 14:07:17,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,789 INFO L349 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2024-10-14 14:07:17,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 93 [2024-10-14 14:07:17,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:17,952 INFO L349 Elim1Store]: treesize reduction 127, result has 12.4 percent of original size [2024-10-14 14:07:17,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 90 [2024-10-14 14:07:18,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2024-10-14 14:07:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,170 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-14 14:07:18,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-10-14 14:07:18,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2024-10-14 14:07:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,263 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-10-14 14:07:18,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 30 [2024-10-14 14:07:18,505 INFO L349 Elim1Store]: treesize reduction 129, result has 12.2 percent of original size [2024-10-14 14:07:18,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 460 treesize of output 301 [2024-10-14 14:07:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,576 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 14:07:18,612 INFO L349 Elim1Store]: treesize reduction 46, result has 39.5 percent of original size [2024-10-14 14:07:18,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 214 [2024-10-14 14:07:18,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:18,969 INFO L349 Elim1Store]: treesize reduction 252, result has 13.7 percent of original size [2024-10-14 14:07:18,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 82 treesize of output 233 [2024-10-14 14:07:20,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 54 [2024-10-14 14:07:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,119 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2024-10-14 14:07:20,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 91 [2024-10-14 14:07:20,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 72 [2024-10-14 14:07:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,186 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 14:07:20,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 29 [2024-10-14 14:07:20,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 58 [2024-10-14 14:07:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:20,261 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2024-10-14 14:07:20,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 61 [2024-10-14 14:07:20,392 INFO L349 Elim1Store]: treesize reduction 60, result has 46.4 percent of original size [2024-10-14 14:07:20,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 336 treesize of output 313 [2024-10-14 14:07:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:22,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:22,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:22,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:22,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:22,967 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-14 14:07:22,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 75 [2024-10-14 14:07:23,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,494 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-14 14:07:23,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 64 treesize of output 68 [2024-10-14 14:07:23,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,642 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-14 14:07:23,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 75 [2024-10-14 14:07:23,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,802 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-14 14:07:23,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 75 [2024-10-14 14:07:23,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 14:07:23,923 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-14 14:07:23,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 75