./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_equal.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/list-simple/dll2c_insert_equal.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 535caea86e22f289c2fcb0364594f5e7b1dfaabfa814e56099346e6a240c0067 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 01:51:49,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 01:51:49,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 01:51:49,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 01:51:49,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 01:51:49,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 01:51:49,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 01:51:49,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 01:51:49,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 01:51:49,981 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 01:51:49,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 01:51:49,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 01:51:49,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 01:51:49,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 01:51:49,985 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 01:51:49,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 01:51:49,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 01:51:49,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 01:51:49,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 01:51:49,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 01:51:49,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 01:51:49,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 01:51:49,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 01:51:49,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 01:51:49,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 01:51:49,990 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 01:51:49,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 01:51:49,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 01:51:49,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 01:51:49,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 01:51:49,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 01:51:49,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 01:51:49,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 01:51:49,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 01:51:49,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 01:51:49,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 01:51:49,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 01:51:49,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 01:51:49,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 01:51:49,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 01:51:50,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 01:51:50,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 01:51:50,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 535caea86e22f289c2fcb0364594f5e7b1dfaabfa814e56099346e6a240c0067 [2024-10-14 01:51:50,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 01:51:50,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 01:51:50,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 01:51:50,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 01:51:50,296 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 01:51:50,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2024-10-14 01:51:51,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 01:51:52,086 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 01:51:52,087 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2024-10-14 01:51:52,099 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fed5bde2/0ce66869cf1f4ae6bd332a276d0a9860/FLAG3eb9842fd [2024-10-14 01:51:52,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fed5bde2/0ce66869cf1f4ae6bd332a276d0a9860 [2024-10-14 01:51:52,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 01:51:52,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 01:51:52,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 01:51:52,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 01:51:52,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 01:51:52,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1304397f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52, skipping insertion in model container [2024-10-14 01:51:52,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 01:51:52,497 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/list-simple/dll2c_insert_equal.i[24877,24890] [2024-10-14 01:51:52,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 01:51:52,516 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 01:51:52,569 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/list-simple/dll2c_insert_equal.i[24877,24890] [2024-10-14 01:51:52,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 01:51:52,600 INFO L204 MainTranslator]: Completed translation [2024-10-14 01:51:52,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52 WrapperNode [2024-10-14 01:51:52,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 01:51:52,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 01:51:52,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 01:51:52,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 01:51:52,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,652 INFO L138 Inliner]: procedures = 127, calls = 53, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 156 [2024-10-14 01:51:52,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 01:51:52,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 01:51:52,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 01:51:52,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 01:51:52,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,673 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,696 INFO L175 MemorySlicer]: Split 35 memory accesses to 3 slices as follows [2, 22, 11]. 63 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 18 writes are split as follows [0, 17, 1]. [2024-10-14 01:51:52,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 01:51:52,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 01:51:52,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 01:51:52,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 01:51:52,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (1/1) ... [2024-10-14 01:51:52,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 01:51:52,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:51:52,751 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 01:51:52,754 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 01:51:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 01:51:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 01:51:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 01:51:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 01:51:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 01:51:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 01:51:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2024-10-14 01:51:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2024-10-14 01:51:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 01:51:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 01:51:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 01:51:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 01:51:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 01:51:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 01:51:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 01:51:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 01:51:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 01:51:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 01:51:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 01:51:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 01:51:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 01:51:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 01:51:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 01:51:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 01:51:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 01:51:52,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 01:51:52,919 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 01:51:52,922 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 01:51:53,191 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-10-14 01:51:53,193 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 01:51:53,236 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 01:51:53,237 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-14 01:51:53,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:51:53 BoogieIcfgContainer [2024-10-14 01:51:53,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 01:51:53,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 01:51:53,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 01:51:53,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 01:51:53,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:51:52" (1/3) ... [2024-10-14 01:51:53,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1036487b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:51:53, skipping insertion in model container [2024-10-14 01:51:53,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:51:52" (2/3) ... [2024-10-14 01:51:53,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1036487b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:51:53, skipping insertion in model container [2024-10-14 01:51:53,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:51:53" (3/3) ... [2024-10-14 01:51:53,246 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_insert_equal.i [2024-10-14 01:51:53,267 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 01:51:53,267 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 01:51:53,326 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 01:51:53,332 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;@39dc5015, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 01:51:53,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 01:51:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 27 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 01:51:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 01:51:53,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:51:53,343 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:51:53,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:51:53,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:51:53,350 INFO L85 PathProgramCache]: Analyzing trace with hash -680816188, now seen corresponding path program 1 times [2024-10-14 01:51:53,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:51:53,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482337981] [2024-10-14 01:51:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:51:53,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:51:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:53,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 01:51:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 01:51:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 01:51:53,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:51:53,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482337981] [2024-10-14 01:51:53,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482337981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:51:53,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:51:53,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 01:51:53,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975515132] [2024-10-14 01:51:53,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:51:53,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 01:51:53,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:51:53,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 01:51:53,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 01:51:53,886 INFO L87 Difference]: Start difference. First operand has 32 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 27 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 01:51:53,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:51:53,965 INFO L93 Difference]: Finished difference Result 56 states and 83 transitions. [2024-10-14 01:51:53,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 01:51:53,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2024-10-14 01:51:53,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:51:53,975 INFO L225 Difference]: With dead ends: 56 [2024-10-14 01:51:53,975 INFO L226 Difference]: Without dead ends: 25 [2024-10-14 01:51:53,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 01:51:53,983 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 01:51:53,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 01:51:53,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-14 01:51:54,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-14 01:51:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 01:51:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2024-10-14 01:51:54,021 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 19 [2024-10-14 01:51:54,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:51:54,023 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-10-14 01:51:54,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 01:51:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-10-14 01:51:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-14 01:51:54,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:51:54,025 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:51:54,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 01:51:54,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:51:54,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:51:54,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1161558312, now seen corresponding path program 1 times [2024-10-14 01:51:54,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:51:54,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076485812] [2024-10-14 01:51:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:51:54,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:51:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 01:51:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 01:51:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 01:51:54,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:51:54,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076485812] [2024-10-14 01:51:54,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076485812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:51:54,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:51:54,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 01:51:54,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961956518] [2024-10-14 01:51:54,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:51:54,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 01:51:54,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:51:54,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 01:51:54,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 01:51:54,296 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 01:51:54,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:51:54,368 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2024-10-14 01:51:54,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 01:51:54,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2024-10-14 01:51:54,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:51:54,369 INFO L225 Difference]: With dead ends: 43 [2024-10-14 01:51:54,370 INFO L226 Difference]: Without dead ends: 26 [2024-10-14 01:51:54,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 01:51:54,372 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 01:51:54,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 61 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 01:51:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-14 01:51:54,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-10-14 01:51:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 01:51:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2024-10-14 01:51:54,382 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 19 [2024-10-14 01:51:54,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:51:54,383 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2024-10-14 01:51:54,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 01:51:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-10-14 01:51:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 01:51:54,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:51:54,385 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:51:54,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 01:51:54,386 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:51:54,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:51:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash 119173117, now seen corresponding path program 1 times [2024-10-14 01:51:54,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:51:54,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116436262] [2024-10-14 01:51:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:51:54,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:51:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:54,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 01:51:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 01:51:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:54,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 01:51:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-14 01:51:54,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:51:54,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116436262] [2024-10-14 01:51:54,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116436262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:51:54,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:51:54,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 01:51:54,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645503298] [2024-10-14 01:51:54,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:51:54,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 01:51:54,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:51:54,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 01:51:54,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 01:51:54,579 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 01:51:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:51:54,633 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2024-10-14 01:51:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 01:51:54,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-10-14 01:51:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:51:54,635 INFO L225 Difference]: With dead ends: 35 [2024-10-14 01:51:54,635 INFO L226 Difference]: Without dead ends: 28 [2024-10-14 01:51:54,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 01:51:54,636 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:51:54,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:51:54,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-14 01:51:54,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-14 01:51:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-14 01:51:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2024-10-14 01:51:54,642 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 27 [2024-10-14 01:51:54,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:51:54,642 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2024-10-14 01:51:54,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-14 01:51:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-10-14 01:51:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-14 01:51:54,644 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:51:54,644 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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 01:51:54,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 01:51:54,644 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:51:54,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:51:54,645 INFO L85 PathProgramCache]: Analyzing trace with hash 935091600, now seen corresponding path program 1 times [2024-10-14 01:51:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:51:54,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586056819] [2024-10-14 01:51:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:51:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:51:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:56,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 01:51:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:56,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 01:51:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:57,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 01:51:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 01:51:57,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:51:57,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586056819] [2024-10-14 01:51:57,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586056819] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:51:57,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351816117] [2024-10-14 01:51:57,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:51:57,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:51:57,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:51:57,359 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 01:51:57,362 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 01:51:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:51:57,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-10-14 01:51:57,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 01:51:57,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-14 01:51:58,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-14 01:51:58,266 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-10-14 01:51:58,266 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-10-14 01:51:58,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-14 01:51:58,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-10-14 01:51:58,486 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-14 01:51:58,487 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 50 [2024-10-14 01:51:58,496 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 24 treesize of output 11 [2024-10-14 01:51:58,726 INFO L349 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2024-10-14 01:51:58,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 183 treesize of output 151 [2024-10-14 01:51:58,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:51:58,743 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 44 treesize of output 33 [2024-10-14 01:51:58,750 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 15 [2024-10-14 01:51:58,760 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2024-10-14 01:51:58,778 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 91 treesize of output 28 [2024-10-14 01:51:58,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 49 treesize of output 17 [2024-10-14 01:51:58,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 11 treesize of output 3 [2024-10-14 01:51:58,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 15 treesize of output 7 [2024-10-14 01:51:59,168 INFO L349 Elim1Store]: treesize reduction 21, result has 44.7 percent of original size [2024-10-14 01:51:59,169 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 1 case distinctions, treesize of input 20 treesize of output 23 [2024-10-14 01:51:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:51:59,206 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 57 treesize of output 34 [2024-10-14 01:51:59,228 INFO L349 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2024-10-14 01:51:59,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2024-10-14 01:51:59,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 19 [2024-10-14 01:51:59,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 15 [2024-10-14 01:51:59,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2024-10-14 01:51:59,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 11 [2024-10-14 01:51:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 01:51:59,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 01:51:59,887 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_601 (Array Int Int)) (v_ArrVal_603 (Array Int Int)) (v_ArrVal_604 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base| v_ArrVal_603) |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base| v_ArrVal_601) |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base| v_ArrVal_604) (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ 8 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))) (not (= v_ArrVal_603 (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.base|) |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.offset| (select v_ArrVal_603 |c_ULTIMATE.start_dll_circular_insert_~snd_to_last~0#1.offset|)))))) is different from false [2024-10-14 01:51:59,907 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_601 (Array Int Int)) (v_ArrVal_603 (Array Int Int)) (v_ArrVal_604 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base| v_ArrVal_603) |c_ULTIMATE.start_dll_circular_insert_~new_node~0#1.base| v_ArrVal_601) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base|) |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset|) v_ArrVal_604) (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ 8 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))) (not (= v_ArrVal_603 (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_insert_~last~1#1.base|) |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset| (select v_ArrVal_603 |c_ULTIMATE.start_dll_circular_insert_~last~1#1.offset|)))))) is different from false [2024-10-14 01:51:59,921 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_601 (Array Int Int)) (v_ArrVal_603 (Array Int Int)) (v_ArrVal_604 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_circular_insert_~head#1.base|) |c_ULTIMATE.start_dll_circular_insert_~head#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_dll_circular_insert_~head#1.base|) |c_ULTIMATE.start_dll_circular_insert_~head#1.offset|))) (or (not (= v_ArrVal_603 (store (select |c_#memory_int#1| .cse0) .cse1 (select v_ArrVal_603 .cse1)))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int#1| .cse0 v_ArrVal_603) |c_ULTIMATE.start_dll_circular_insert_#t~ret9#1.base| v_ArrVal_601) (select (select |c_#memory_$Pointer$#1.base| .cse0) .cse1) v_ArrVal_604) (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ 8 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))))) is different from false [2024-10-14 01:52:00,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351816117] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:52:00,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 01:52:00,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24] total 43 [2024-10-14 01:52:00,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634066824] [2024-10-14 01:52:00,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 01:52:00,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-10-14 01:52:00,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:00,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-10-14 01:52:00,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1925, Unknown=3, NotChecked=270, Total=2352 [2024-10-14 01:52:00,110 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand has 43 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 01:52:02,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:02,190 INFO L93 Difference]: Finished difference Result 78 states and 110 transitions. [2024-10-14 01:52:02,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-14 01:52:02,192 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 28 [2024-10-14 01:52:02,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:02,194 INFO L225 Difference]: With dead ends: 78 [2024-10-14 01:52:02,194 INFO L226 Difference]: Without dead ends: 76 [2024-10-14 01:52:02,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1131 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=344, Invalid=4221, Unknown=3, NotChecked=402, Total=4970 [2024-10-14 01:52:02,197 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 97 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:02,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 310 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 01:52:02,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-10-14 01:52:02,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 50. [2024-10-14 01:52:02,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 01:52:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 68 transitions. [2024-10-14 01:52:02,209 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 68 transitions. Word has length 28 [2024-10-14 01:52:02,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:02,209 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 68 transitions. [2024-10-14 01:52:02,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 01:52:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2024-10-14 01:52:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 01:52:02,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:02,211 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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 01:52:02,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 01:52:02,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:02,416 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:02,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:02,416 INFO L85 PathProgramCache]: Analyzing trace with hash 158692931, now seen corresponding path program 1 times [2024-10-14 01:52:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:02,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712762124] [2024-10-14 01:52:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:02,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:02,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 01:52:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:02,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 01:52:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:02,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 01:52:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-14 01:52:02,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:02,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712762124] [2024-10-14 01:52:02,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712762124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:02,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:02,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 01:52:02,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928565494] [2024-10-14 01:52:02,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:02,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 01:52:02,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:02,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 01:52:02,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 01:52:02,597 INFO L87 Difference]: Start difference. First operand 50 states and 68 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 01:52:02,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:02,656 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions. [2024-10-14 01:52:02,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 01:52:02,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-10-14 01:52:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:02,657 INFO L225 Difference]: With dead ends: 61 [2024-10-14 01:52:02,657 INFO L226 Difference]: Without dead ends: 51 [2024-10-14 01:52:02,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 01:52:02,660 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 18 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:02,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 69 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-14 01:52:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2024-10-14 01:52:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 01:52:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2024-10-14 01:52:02,676 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 29 [2024-10-14 01:52:02,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:02,677 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2024-10-14 01:52:02,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 01:52:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-10-14 01:52:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 01:52:02,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:02,678 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 01:52:02,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 01:52:02,678 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:02,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:02,678 INFO L85 PathProgramCache]: Analyzing trace with hash 458760797, now seen corresponding path program 2 times [2024-10-14 01:52:02,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:02,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846269772] [2024-10-14 01:52:02,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:02,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:02,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 01:52:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:02,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 01:52:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 01:52:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:02,850 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-14 01:52:02,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:02,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846269772] [2024-10-14 01:52:02,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846269772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 01:52:02,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 01:52:02,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 01:52:02,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840515834] [2024-10-14 01:52:02,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 01:52:02,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 01:52:02,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 01:52:02,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 01:52:02,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 01:52:02,853 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 01:52:02,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 01:52:02,923 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2024-10-14 01:52:02,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 01:52:02,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-10-14 01:52:02,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 01:52:02,927 INFO L225 Difference]: With dead ends: 62 [2024-10-14 01:52:02,927 INFO L226 Difference]: Without dead ends: 51 [2024-10-14 01:52:02,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-14 01:52:02,928 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 17 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 01:52:02,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 71 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 01:52:02,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-14 01:52:02,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2024-10-14 01:52:02,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-14 01:52:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2024-10-14 01:52:02,936 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 29 [2024-10-14 01:52:02,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 01:52:02,937 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2024-10-14 01:52:02,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 01:52:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2024-10-14 01:52:02,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-14 01:52:02,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 01:52:02,938 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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 01:52:02,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 01:52:02,938 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 01:52:02,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 01:52:02,939 INFO L85 PathProgramCache]: Analyzing trace with hash 976741128, now seen corresponding path program 1 times [2024-10-14 01:52:02,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 01:52:02,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281548164] [2024-10-14 01:52:02,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:02,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 01:52:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:03,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 01:52:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:03,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 01:52:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:03,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-14 01:52:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 01:52:03,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 01:52:03,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281548164] [2024-10-14 01:52:03,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281548164] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 01:52:03,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957819298] [2024-10-14 01:52:03,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 01:52:03,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 01:52:03,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 01:52:03,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 01:52:03,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 01:52:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 01:52:04,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-10-14 01:52:04,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 01:52:04,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-14 01:52:04,245 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-10-14 01:52:04,245 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-10-14 01:52:04,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-14 01:52:04,329 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 16 treesize of output 11 [2024-10-14 01:52:04,444 INFO L349 Elim1Store]: treesize reduction 74, result has 12.9 percent of original size [2024-10-14 01:52:04,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 178 treesize of output 162 [2024-10-14 01:52:04,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 134 treesize of output 94 [2024-10-14 01:52:04,458 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 133 treesize of output 62 [2024-10-14 01:52:04,514 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:04,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 71 treesize of output 17 [2024-10-14 01:52:04,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 15 treesize of output 7 [2024-10-14 01:52:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:04,594 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 79 treesize of output 56 [2024-10-14 01:52:04,614 INFO L349 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2024-10-14 01:52:04,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2024-10-14 01:52:04,758 INFO L349 Elim1Store]: treesize reduction 76, result has 46.9 percent of original size [2024-10-14 01:52:04,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 130 treesize of output 118 [2024-10-14 01:52:04,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:04,859 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 1 case distinctions, treesize of input 86 treesize of output 64 [2024-10-14 01:52:04,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:52:04,881 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 1 case distinctions, treesize of input 86 treesize of output 64 [2024-10-14 01:52:04,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:04,974 INFO L349 Elim1Store]: treesize reduction 281, result has 26.1 percent of original size [2024-10-14 01:52:04,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 137 treesize of output 123 [2024-10-14 01:52:05,267 INFO L349 Elim1Store]: treesize reduction 186, result has 44.3 percent of original size [2024-10-14 01:52:05,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 125 treesize of output 217 [2024-10-14 01:52:05,393 INFO L349 Elim1Store]: treesize reduction 550, result has 15.5 percent of original size [2024-10-14 01:52:05,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 806 treesize of output 700 [2024-10-14 01:52:05,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-10-14 01:52:05,605 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:05,635 INFO L349 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2024-10-14 01:52:05,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 78 [2024-10-14 01:52:06,285 INFO L349 Elim1Store]: treesize reduction 52, result has 47.5 percent of original size [2024-10-14 01:52:06,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 245 treesize of output 244 [2024-10-14 01:52:06,508 INFO L349 Elim1Store]: treesize reduction 52, result has 47.5 percent of original size [2024-10-14 01:52:06,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 245 treesize of output 244 [2024-10-14 01:52:07,917 INFO L349 Elim1Store]: treesize reduction 192, result has 44.8 percent of original size [2024-10-14 01:52:07,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 2194 treesize of output 2096 [2024-10-14 01:52:28,502 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:28,503 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:28,504 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:28,535 INFO L349 Elim1Store]: treesize reduction 90, result has 11.8 percent of original size [2024-10-14 01:52:28,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1317 treesize of output 1174 [2024-10-14 01:52:28,773 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:28,774 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:28,774 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:28,790 INFO L349 Elim1Store]: treesize reduction 90, result has 11.8 percent of original size [2024-10-14 01:52:28,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 260 treesize of output 197 [2024-10-14 01:52:28,969 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:28,971 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:28,971 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,000 INFO L349 Elim1Store]: treesize reduction 75, result has 26.5 percent of original size [2024-10-14 01:52:29,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 268 treesize of output 219 [2024-10-14 01:52:29,130 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,130 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,131 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,178 INFO L349 Elim1Store]: treesize reduction 75, result has 26.5 percent of original size [2024-10-14 01:52:29,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1325 treesize of output 1196 [2024-10-14 01:52:29,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,875 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,875 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,890 INFO L349 Elim1Store]: treesize reduction 90, result has 11.8 percent of original size [2024-10-14 01:52:29,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 143 [2024-10-14 01:52:29,997 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,999 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:29,999 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:30,045 INFO L349 Elim1Store]: treesize reduction 75, result has 26.5 percent of original size [2024-10-14 01:52:30,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1055 treesize of output 974 [2024-10-14 01:52:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:30,681 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:30,682 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:30,683 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:30,688 INFO L349 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2024-10-14 01:52:30,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 25 [2024-10-14 01:52:30,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:30,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:30,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:30,879 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:30,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:30,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:30,885 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-10-14 01:52:30,885 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 61 treesize of output 30 [2024-10-14 01:52:31,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:31,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:31,030 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,031 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,033 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 50 treesize of output 16 [2024-10-14 01:52:31,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,104 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-10-14 01:52:31,104 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 11 [2024-10-14 01:52:31,426 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,427 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,431 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,436 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-10-14 01:52:31,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 11 [2024-10-14 01:52:31,696 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,697 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,698 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,704 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-10-14 01:52:31,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 11 [2024-10-14 01:52:31,840 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,841 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,842 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:31,848 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-10-14 01:52:31,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 11 [2024-10-14 01:52:32,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,212 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,216 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-10-14 01:52:32,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 11 [2024-10-14 01:52:32,301 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,302 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,303 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,309 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-10-14 01:52:32,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 11 [2024-10-14 01:52:32,657 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,657 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,659 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:32,663 INFO L349 Elim1Store]: treesize reduction 29, result has 3.3 percent of original size [2024-10-14 01:52:32,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 50 treesize of output 11 [2024-10-14 01:52:33,127 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,129 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,130 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,131 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,140 INFO L349 Elim1Store]: treesize reduction 210, result has 0.5 percent of original size [2024-10-14 01:52:33,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 90 treesize of output 54 [2024-10-14 01:52:33,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:33,382 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,384 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,392 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2024-10-14 01:52:33,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 90 treesize of output 54 [2024-10-14 01:52:33,611 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,613 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,613 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,615 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,667 INFO L349 Elim1Store]: treesize reduction 441, result has 2.6 percent of original size [2024-10-14 01:52:33,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 15 case distinctions, treesize of input 89 treesize of output 69 [2024-10-14 01:52:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:33,798 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,800 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,801 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,802 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:33,874 INFO L349 Elim1Store]: treesize reduction 427, result has 2.7 percent of original size [2024-10-14 01:52:33,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 89 treesize of output 69 [2024-10-14 01:52:34,403 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:34,407 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:34,421 INFO L349 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2024-10-14 01:52:34,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 94 treesize of output 58 [2024-10-14 01:52:34,518 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:34,522 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:34,542 INFO L349 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2024-10-14 01:52:34,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 94 treesize of output 58 [2024-10-14 01:52:34,732 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:34,735 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:34,797 INFO L349 Elim1Store]: treesize reduction 462, result has 5.5 percent of original size [2024-10-14 01:52:34,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 93 treesize of output 87 [2024-10-14 01:52:34,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:34,923 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:34,991 INFO L349 Elim1Store]: treesize reduction 462, result has 5.5 percent of original size [2024-10-14 01:52:34,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 93 treesize of output 87 [2024-10-14 01:52:35,423 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:35,426 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:35,436 INFO L349 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2024-10-14 01:52:35,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 88 treesize of output 56 [2024-10-14 01:52:35,706 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:35,710 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:35,719 INFO L349 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2024-10-14 01:52:35,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 88 treesize of output 56 [2024-10-14 01:52:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:36,196 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,198 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,202 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-10-14 01:52:36,202 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 63 treesize of output 33 [2024-10-14 01:52:36,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:36,254 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,254 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,258 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-10-14 01:52:36,259 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 63 treesize of output 33 [2024-10-14 01:52:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:36,571 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,572 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,601 INFO L349 Elim1Store]: treesize reduction 116, result has 18.9 percent of original size [2024-10-14 01:52:36,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 72 treesize of output 57 [2024-10-14 01:52:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:36,632 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,634 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,658 INFO L349 Elim1Store]: treesize reduction 116, result has 18.9 percent of original size [2024-10-14 01:52:36,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 72 treesize of output 57 [2024-10-14 01:52:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:36,886 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:36,937 INFO L349 Elim1Store]: treesize reduction 116, result has 18.9 percent of original size [2024-10-14 01:52:36,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 1317 treesize of output 1236 [2024-10-14 01:52:38,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:38,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,028 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,032 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-10-14 01:52:38,032 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 63 treesize of output 33 [2024-10-14 01:52:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:38,110 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,111 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,115 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-10-14 01:52:38,115 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 63 treesize of output 33 [2024-10-14 01:52:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:38,395 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,396 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,424 INFO L349 Elim1Store]: treesize reduction 116, result has 18.9 percent of original size [2024-10-14 01:52:38,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 260 treesize of output 227 [2024-10-14 01:52:38,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:38,631 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,632 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,640 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-10-14 01:52:38,640 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 2 case distinctions, treesize of input 1310 treesize of output 1199 [2024-10-14 01:52:38,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:38,915 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,916 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:38,920 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-10-14 01:52:38,920 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 2 case distinctions, treesize of input 253 treesize of output 190 [2024-10-14 01:52:39,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:39,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:39,089 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:39,093 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-10-14 01:52:39,093 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 2 case distinctions, treesize of input 65 treesize of output 20 [2024-10-14 01:52:39,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:52:39,382 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:39,383 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:52:39,387 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-10-14 01:52:39,387 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 2 case distinctions, treesize of input 65 treesize of output 20 [2024-10-14 01:53:00,522 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:00,524 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:00,554 INFO L349 Elim1Store]: treesize reduction 298, result has 3.9 percent of original size [2024-10-14 01:53:00,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 217 treesize of output 152 [2024-10-14 01:53:00,681 INFO L349 Elim1Store]: treesize reduction 33, result has 47.6 percent of original size [2024-10-14 01:53:00,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1719 treesize of output 1600 [2024-10-14 01:53:01,407 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:01,409 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:01,438 INFO L349 Elim1Store]: treesize reduction 298, result has 3.9 percent of original size [2024-10-14 01:53:01,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 217 treesize of output 152 [2024-10-14 01:53:01,664 INFO L349 Elim1Store]: treesize reduction 7, result has 86.3 percent of original size [2024-10-14 01:53:01,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 3700 treesize of output 3415 [2024-10-14 01:53:02,919 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:02,938 INFO L349 Elim1Store]: treesize reduction 99, result has 21.4 percent of original size [2024-10-14 01:53:02,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 281 treesize of output 220 [2024-10-14 01:53:03,128 INFO L349 Elim1Store]: treesize reduction 195, result has 30.6 percent of original size [2024-10-14 01:53:03,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 654 treesize of output 658 [2024-10-14 01:53:04,276 INFO L349 Elim1Store]: treesize reduction 135, result has 24.2 percent of original size [2024-10-14 01:53:04,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 353 treesize of output 341 [2024-10-14 01:53:04,315 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:04,335 INFO L349 Elim1Store]: treesize reduction 99, result has 21.4 percent of original size [2024-10-14 01:53:04,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 281 treesize of output 220 [2024-10-14 01:53:04,446 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:04,465 INFO L349 Elim1Store]: treesize reduction 99, result has 21.4 percent of original size [2024-10-14 01:53:04,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 281 treesize of output 220 [2024-10-14 01:53:04,603 INFO L349 Elim1Store]: treesize reduction 129, result has 29.1 percent of original size [2024-10-14 01:53:04,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 309 treesize of output 316 [2024-10-14 01:53:05,133 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 0 case distinctions, treesize of input 282 treesize of output 205 [2024-10-14 01:53:05,256 INFO L349 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2024-10-14 01:53:05,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5112 treesize of output 4825 [2024-10-14 01:53:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,527 INFO L349 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2024-10-14 01:53:05,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 1639 treesize of output 1540 [2024-10-14 01:53:05,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 5 [2024-10-14 01:53:05,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,735 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:05,735 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:05,738 INFO L349 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2024-10-14 01:53:05,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 28 [2024-10-14 01:53:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,792 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:05,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 19 [2024-10-14 01:53:05,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:05,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:05,893 INFO L349 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2024-10-14 01:53:05,893 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 4 case distinctions, treesize of input 85 treesize of output 28 [2024-10-14 01:53:06,010 INFO L349 Elim1Store]: treesize reduction 24, result has 11.1 percent of original size [2024-10-14 01:53:06,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 5074 treesize of output 4681 [2024-10-14 01:53:06,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 5 [2024-10-14 01:53:06,442 INFO L349 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2024-10-14 01:53:06,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 1227 treesize of output 1094 [2024-10-14 01:53:06,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42 treesize of output 5 [2024-10-14 01:53:06,784 INFO L349 Elim1Store]: treesize reduction 24, result has 11.1 percent of original size [2024-10-14 01:53:06,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 65 [2024-10-14 01:53:06,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:06,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:06,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:06,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:06,835 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:06,837 INFO L349 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2024-10-14 01:53:06,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 15 [2024-10-14 01:53:06,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:06,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:06,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:06,886 INFO L349 Elim1Store]: treesize reduction 90, result has 12.6 percent of original size [2024-10-14 01:53:06,886 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 4 case distinctions, treesize of input 81 treesize of output 37 [2024-10-14 01:53:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:07,073 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:07,086 INFO L349 Elim1Store]: treesize reduction 102, result has 11.3 percent of original size [2024-10-14 01:53:07,087 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 5 case distinctions, treesize of input 81 treesize of output 37 [2024-10-14 01:53:07,198 INFO L349 Elim1Store]: treesize reduction 24, result has 11.1 percent of original size [2024-10-14 01:53:07,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3678 treesize of output 3395 [2024-10-14 01:53:07,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:07,498 INFO L349 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2024-10-14 01:53:07,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 1591 treesize of output 1420 [2024-10-14 01:53:07,754 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:07,763 INFO L349 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2024-10-14 01:53:07,763 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 5 case distinctions, treesize of input 85 treesize of output 28 [2024-10-14 01:53:07,824 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 0 case distinctions, treesize of input 282 treesize of output 205 [2024-10-14 01:53:07,956 INFO L349 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2024-10-14 01:53:07,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 4041 treesize of output 3822 [2024-10-14 01:53:08,356 INFO L349 Elim1Store]: treesize reduction 239, result has 18.4 percent of original size [2024-10-14 01:53:08,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 627 treesize of output 581 [2024-10-14 01:53:09,447 INFO L349 Elim1Store]: treesize reduction 33, result has 26.7 percent of original size [2024-10-14 01:53:09,447 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 176 treesize of output 119 [2024-10-14 01:53:09,566 INFO L349 Elim1Store]: treesize reduction 33, result has 26.7 percent of original size [2024-10-14 01:53:09,567 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 176 treesize of output 119 [2024-10-14 01:53:09,654 INFO L349 Elim1Store]: treesize reduction 195, result has 22.3 percent of original size [2024-10-14 01:53:09,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 763 treesize of output 708 [2024-10-14 01:53:09,911 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 0 case distinctions, treesize of input 207 treesize of output 160 [2024-10-14 01:53:09,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 82 [2024-10-14 01:53:10,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:10,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 01:53:10,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 1201 treesize of output 1111 [2024-10-14 01:53:10,707 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:10,747 INFO L349 Elim1Store]: treesize reduction 303, result has 8.2 percent of original size [2024-10-14 01:53:10,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 325 treesize of output 258 [2024-10-14 01:53:10,875 INFO L349 Elim1Store]: treesize reduction 87, result has 23.7 percent of original size [2024-10-14 01:53:10,875 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 5 case distinctions, treesize of input 273 treesize of output 186 [2024-10-14 01:53:11,007 INFO L349 Elim1Store]: treesize reduction 128, result has 17.4 percent of original size [2024-10-14 01:53:11,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 147 treesize of output 110 [2024-10-14 01:53:11,254 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:11,294 INFO L349 Elim1Store]: treesize reduction 303, result has 8.2 percent of original size [2024-10-14 01:53:11,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 325 treesize of output 258 [2024-10-14 01:53:11,423 INFO L349 Elim1Store]: treesize reduction 87, result has 23.7 percent of original size [2024-10-14 01:53:11,424 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 5 case distinctions, treesize of input 273 treesize of output 186 [2024-10-14 01:53:11,548 INFO L349 Elim1Store]: treesize reduction 98, result has 10.9 percent of original size [2024-10-14 01:53:11,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 33 [2024-10-14 01:53:11,602 INFO L349 Elim1Store]: treesize reduction 117, result has 18.8 percent of original size [2024-10-14 01:53:11,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 137 treesize of output 80 [2024-10-14 01:53:11,701 INFO L349 Elim1Store]: treesize reduction 87, result has 23.7 percent of original size [2024-10-14 01:53:11,701 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 5 case distinctions, treesize of input 273 treesize of output 186 [2024-10-14 01:53:12,402 INFO L349 Elim1Store]: treesize reduction 10, result has 80.4 percent of original size [2024-10-14 01:53:12,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 14758 treesize of output 12816 [2024-10-14 01:53:16,844 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-14 01:53:16,884 INFO L349 Elim1Store]: treesize reduction 303, result has 8.2 percent of original size [2024-10-14 01:53:16,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 325 treesize of output 258 [2024-10-14 01:53:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-14 01:53:17,065 INFO L349 Elim1Store]: treesize reduction 7, result has 86.3 percent of original size [2024-10-14 01:53:17,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1350 treesize of output 1187