./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.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 a38de44f112a10364737c35b840e673503a211a020b9f494a50e4a32c8fe31c0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:01:03,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:01:03,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:01:03,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:01:03,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:01:03,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:01:03,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:01:03,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:01:03,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:01:03,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:01:03,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:01:03,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:01:03,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:01:03,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:01:03,624 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:01:03,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:01:03,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:01:03,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:01:03,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:01:03,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:01:03,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:01:03,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:01:03,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:01:03,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:01:03,627 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:01:03,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:01:03,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:01:03,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:01:03,628 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:01:03,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:01:03,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:01:03,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:01:03,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:01:03,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:01:03,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:01:03,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:01:03,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:01:03,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:01:03,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:01:03,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:01:03,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:01:03,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:01:03,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a38de44f112a10364737c35b840e673503a211a020b9f494a50e4a32c8fe31c0 [2024-11-09 22:01:03,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:01:03,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:01:03,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:01:03,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:01:03,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:01:03,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2024-11-09 22:01:05,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:01:05,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:01:05,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i [2024-11-09 22:01:05,671 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755f3e5c7/bfcfbe314e844cf9a3929d15c9bbf7f1/FLAG8daceb479 [2024-11-09 22:01:05,682 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755f3e5c7/bfcfbe314e844cf9a3929d15c9bbf7f1 [2024-11-09 22:01:05,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:01:05,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:01:05,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:01:05,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:01:05,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:01:05,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:01:05" (1/1) ... [2024-11-09 22:01:05,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767b0a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:05, skipping insertion in model container [2024-11-09 22:01:05,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:01:05" (1/1) ... [2024-11-09 22:01:05,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:01:06,096 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i[33822,33835] [2024-11-09 22:01:06,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:01:06,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:01:06,220 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-1.i[33822,33835] [2024-11-09 22:01:06,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:01:06,292 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:01:06,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06 WrapperNode [2024-11-09 22:01:06,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:01:06,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:01:06,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:01:06,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:01:06,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,343 INFO L138 Inliner]: procedures = 232, calls = 75, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 114 [2024-11-09 22:01:06,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:01:06,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:01:06,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:01:06,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:01:06,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,396 INFO L175 MemorySlicer]: Split 37 memory accesses to 2 slices as follows [2, 35]. 95 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2]. The 10 writes are split as follows [0, 10]. [2024-11-09 22:01:06,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,421 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:01:06,441 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:01:06,442 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:01:06,442 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:01:06,443 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (1/1) ... [2024-11-09 22:01:06,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:01:06,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:01:06,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 22:01:06,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 22:01:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 22:01:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 22:01:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2024-11-09 22:01:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2024-11-09 22:01:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 22:01:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 22:01:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 22:01:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2024-11-09 22:01:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2024-11-09 22:01:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 22:01:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 22:01:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2024-11-09 22:01:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2024-11-09 22:01:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 22:01:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 22:01:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 22:01:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:01:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 22:01:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 22:01:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-09 22:01:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-09 22:01:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:01:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:01:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:01:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:01:06,728 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:01:06,731 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:01:06,771 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L923: havoc #t~mem54; [2024-11-09 22:01:07,154 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-09 22:01:07,154 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:01:07,175 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:01:07,176 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:01:07,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:01:07 BoogieIcfgContainer [2024-11-09 22:01:07,179 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:01:07,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:01:07,182 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:01:07,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:01:07,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:01:05" (1/3) ... [2024-11-09 22:01:07,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4b1438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:01:07, skipping insertion in model container [2024-11-09 22:01:07,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:01:06" (2/3) ... [2024-11-09 22:01:07,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4b1438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:01:07, skipping insertion in model container [2024-11-09 22:01:07,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:01:07" (3/3) ... [2024-11-09 22:01:07,191 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-1.i [2024-11-09 22:01:07,227 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:01:07,227 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:01:07,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:01:07,305 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;@2f156bbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:01:07,306 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:01:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 97 states have (on average 1.6804123711340206) internal successors, (163), 116 states have internal predecessors, (163), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 22:01:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 22:01:07,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:01:07,317 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:01:07,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:01:07,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:01:07,323 INFO L85 PathProgramCache]: Analyzing trace with hash -69019976, now seen corresponding path program 1 times [2024-11-09 22:01:07,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:01:07,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302408960] [2024-11-09 22:01:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:07,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:01:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:01:07,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:01:07,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302408960] [2024-11-09 22:01:07,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302408960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:01:07,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:01:07,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 22:01:07,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050368827] [2024-11-09 22:01:07,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:01:07,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 22:01:07,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:01:07,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 22:01:07,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:01:07,529 INFO L87 Difference]: Start difference. First operand has 126 states, 97 states have (on average 1.6804123711340206) internal successors, (163), 116 states have internal predecessors, (163), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:01:07,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:01:07,579 INFO L93 Difference]: Finished difference Result 245 states and 412 transitions. [2024-11-09 22:01:07,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 22:01:07,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 22:01:07,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:01:07,589 INFO L225 Difference]: With dead ends: 245 [2024-11-09 22:01:07,590 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 22:01:07,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:01:07,602 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:01:07,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:01:07,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 22:01:07,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-09 22:01:07,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 89 states have (on average 1.2247191011235956) internal successors, (109), 104 states have internal predecessors, (109), 21 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 22:01:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 135 transitions. [2024-11-09 22:01:07,656 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 135 transitions. Word has length 11 [2024-11-09 22:01:07,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:01:07,657 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 135 transitions. [2024-11-09 22:01:07,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:01:07,657 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2024-11-09 22:01:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 22:01:07,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:01:07,660 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:01:07,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 22:01:07,660 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:01:07,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:01:07,661 INFO L85 PathProgramCache]: Analyzing trace with hash -806428757, now seen corresponding path program 1 times [2024-11-09 22:01:07,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:01:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691384660] [2024-11-09 22:01:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:07,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:01:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 22:01:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:01:08,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:01:08,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691384660] [2024-11-09 22:01:08,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691384660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:01:08,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:01:08,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 22:01:08,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436019253] [2024-11-09 22:01:08,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:01:08,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 22:01:08,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:01:08,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 22:01:08,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 22:01:08,101 INFO L87 Difference]: Start difference. First operand 114 states and 135 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:08,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:01:08,554 INFO L93 Difference]: Finished difference Result 117 states and 137 transitions. [2024-11-09 22:01:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 22:01:08,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-11-09 22:01:08,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:01:08,557 INFO L225 Difference]: With dead ends: 117 [2024-11-09 22:01:08,559 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 22:01:08,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:01:08,563 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 265 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 22:01:08,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 121 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 22:01:08,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 22:01:08,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-09 22:01:08,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 89 states have (on average 1.2134831460674158) internal successors, (108), 103 states have internal predecessors, (108), 20 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 22:01:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 133 transitions. [2024-11-09 22:01:08,596 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 133 transitions. Word has length 22 [2024-11-09 22:01:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:01:08,599 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 133 transitions. [2024-11-09 22:01:08,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:08,600 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2024-11-09 22:01:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 22:01:08,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:01:08,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:01:08,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 22:01:08,602 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:01:08,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:01:08,603 INFO L85 PathProgramCache]: Analyzing trace with hash -103289893, now seen corresponding path program 1 times [2024-11-09 22:01:08,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:01:08,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318338282] [2024-11-09 22:01:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:01:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:09,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 22:01:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:01:09,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:01:09,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318338282] [2024-11-09 22:01:09,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318338282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:01:09,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:01:09,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 22:01:09,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089329065] [2024-11-09 22:01:09,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:01:09,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 22:01:09,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:01:09,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 22:01:09,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 22:01:09,162 INFO L87 Difference]: Start difference. First operand 113 states and 133 transitions. Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:10,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:01:10,121 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2024-11-09 22:01:10,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 22:01:10,122 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-09 22:01:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:01:10,125 INFO L225 Difference]: With dead ends: 214 [2024-11-09 22:01:10,125 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 22:01:10,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2024-11-09 22:01:10,126 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 527 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 22:01:10,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 164 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 22:01:10,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 22:01:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 186. [2024-11-09 22:01:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 158 states have (on average 1.2215189873417722) internal successors, (193), 172 states have internal predecessors, (193), 23 states have call successors, (23), 6 states have call predecessors, (23), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 22:01:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 223 transitions. [2024-11-09 22:01:10,164 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 223 transitions. Word has length 25 [2024-11-09 22:01:10,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:01:10,165 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 223 transitions. [2024-11-09 22:01:10,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 223 transitions. [2024-11-09 22:01:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 22:01:10,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:01:10,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:01:10,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 22:01:10,167 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:01:10,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:01:10,169 INFO L85 PathProgramCache]: Analyzing trace with hash 401284078, now seen corresponding path program 1 times [2024-11-09 22:01:10,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:01:10,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676832711] [2024-11-09 22:01:10,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:01:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:10,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 22:01:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:01:11,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:01:11,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676832711] [2024-11-09 22:01:11,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676832711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:01:11,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:01:11,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 22:01:11,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358436315] [2024-11-09 22:01:11,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:01:11,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 22:01:11,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:01:11,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 22:01:11,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 22:01:11,143 INFO L87 Difference]: Start difference. First operand 186 states and 223 transitions. Second operand has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:01:12,121 INFO L93 Difference]: Finished difference Result 296 states and 351 transitions. [2024-11-09 22:01:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 22:01:12,122 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-09 22:01:12,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:01:12,124 INFO L225 Difference]: With dead ends: 296 [2024-11-09 22:01:12,124 INFO L226 Difference]: Without dead ends: 292 [2024-11-09 22:01:12,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-09 22:01:12,128 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 338 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 22:01:12,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 227 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 22:01:12,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-09 22:01:12,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 273. [2024-11-09 22:01:12,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 238 states have (on average 1.218487394957983) internal successors, (290), 253 states have internal predecessors, (290), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 22:01:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 329 transitions. [2024-11-09 22:01:12,178 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 329 transitions. Word has length 28 [2024-11-09 22:01:12,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:01:12,178 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 329 transitions. [2024-11-09 22:01:12,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 329 transitions. [2024-11-09 22:01:12,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 22:01:12,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:01:12,180 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:01:12,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 22:01:12,181 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:01:12,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:01:12,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1413341198, now seen corresponding path program 1 times [2024-11-09 22:01:12,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:01:12,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027740279] [2024-11-09 22:01:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:12,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:01:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:12,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 22:01:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:01:13,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:01:13,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027740279] [2024-11-09 22:01:13,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027740279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:01:13,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:01:13,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 22:01:13,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951399319] [2024-11-09 22:01:13,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:01:13,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 22:01:13,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:01:13,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 22:01:13,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 22:01:13,031 INFO L87 Difference]: Start difference. First operand 273 states and 329 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:14,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:01:14,007 INFO L93 Difference]: Finished difference Result 295 states and 349 transitions. [2024-11-09 22:01:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 22:01:14,007 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-09 22:01:14,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:01:14,009 INFO L225 Difference]: With dead ends: 295 [2024-11-09 22:01:14,009 INFO L226 Difference]: Without dead ends: 291 [2024-11-09 22:01:14,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-11-09 22:01:14,011 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 398 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 22:01:14,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 227 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 22:01:14,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-09 22:01:14,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 273. [2024-11-09 22:01:14,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 238 states have (on average 1.2142857142857142) internal successors, (289), 253 states have internal predecessors, (289), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 22:01:14,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 328 transitions. [2024-11-09 22:01:14,059 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 328 transitions. Word has length 32 [2024-11-09 22:01:14,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:01:14,060 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 328 transitions. [2024-11-09 22:01:14,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 328 transitions. [2024-11-09 22:01:14,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 22:01:14,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:01:14,063 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:01:14,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 22:01:14,064 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:01:14,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:01:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1027062046, now seen corresponding path program 1 times [2024-11-09 22:01:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:01:14,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707066105] [2024-11-09 22:01:14,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:14,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:01:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 22:01:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:01:15,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:01:15,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707066105] [2024-11-09 22:01:15,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707066105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:01:15,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:01:15,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 22:01:15,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234399638] [2024-11-09 22:01:15,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:01:15,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 22:01:15,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:01:15,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 22:01:15,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-09 22:01:15,346 INFO L87 Difference]: Start difference. First operand 273 states and 328 transitions. Second operand has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:16,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:01:16,513 INFO L93 Difference]: Finished difference Result 294 states and 347 transitions. [2024-11-09 22:01:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 22:01:16,514 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-09 22:01:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:01:16,517 INFO L225 Difference]: With dead ends: 294 [2024-11-09 22:01:16,517 INFO L226 Difference]: Without dead ends: 290 [2024-11-09 22:01:16,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2024-11-09 22:01:16,518 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 526 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 22:01:16,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 221 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 22:01:16,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-09 22:01:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 273. [2024-11-09 22:01:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 238 states have (on average 1.2100840336134453) internal successors, (288), 253 states have internal predecessors, (288), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 22:01:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 327 transitions. [2024-11-09 22:01:16,550 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 327 transitions. Word has length 35 [2024-11-09 22:01:16,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:01:16,552 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 327 transitions. [2024-11-09 22:01:16,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 10 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 327 transitions. [2024-11-09 22:01:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 22:01:16,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:01:16,555 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:01:16,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 22:01:16,555 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:01:16,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:01:16,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1976461777, now seen corresponding path program 1 times [2024-11-09 22:01:16,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:01:16,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197567857] [2024-11-09 22:01:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:16,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:01:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:17,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 22:01:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:01:17,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:01:17,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197567857] [2024-11-09 22:01:17,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197567857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:01:17,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:01:17,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-09 22:01:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220668922] [2024-11-09 22:01:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:01:17,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 22:01:17,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:01:17,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 22:01:17,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-09 22:01:17,872 INFO L87 Difference]: Start difference. First operand 273 states and 327 transitions. Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:19,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:01:19,155 INFO L93 Difference]: Finished difference Result 293 states and 345 transitions. [2024-11-09 22:01:19,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 22:01:19,158 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-09 22:01:19,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:01:19,160 INFO L225 Difference]: With dead ends: 293 [2024-11-09 22:01:19,160 INFO L226 Difference]: Without dead ends: 289 [2024-11-09 22:01:19,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-09 22:01:19,161 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 380 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 22:01:19,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 266 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 22:01:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-09 22:01:19,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 273. [2024-11-09 22:01:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 238 states have (on average 1.2058823529411764) internal successors, (287), 253 states have internal predecessors, (287), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 22:01:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 326 transitions. [2024-11-09 22:01:19,199 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 326 transitions. Word has length 38 [2024-11-09 22:01:19,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:01:19,200 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 326 transitions. [2024-11-09 22:01:19,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 22:01:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 326 transitions. [2024-11-09 22:01:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 22:01:19,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:01:19,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:01:19,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 22:01:19,202 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:01:19,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:01:19,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1104598946, now seen corresponding path program 1 times [2024-11-09 22:01:19,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:01:19,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775460518] [2024-11-09 22:01:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:19,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:01:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:20,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 22:01:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 22:01:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 22:01:20,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:01:20,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775460518] [2024-11-09 22:01:20,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775460518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:01:20,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002491782] [2024-11-09 22:01:20,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:01:20,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:01:20,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:01:20,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 22:01:20,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 22:01:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:01:20,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-09 22:01:20,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:01:20,998 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 22:01:20,999 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 19 treesize of output 16 [2024-11-09 22:01:21,053 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 [2024-11-09 22:01:21,067 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 [2024-11-09 22:01:21,088 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 7 treesize of output 3 [2024-11-09 22:01:21,092 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 7 treesize of output 3 [2024-11-09 22:01:21,237 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 43 treesize of output 35 [2024-11-09 22:01:21,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-09 22:01:21,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2024-11-09 22:01:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 22:01:21,336 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 29 treesize of output 16 [2024-11-09 22:01:21,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:01:21,343 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 1 case distinctions, treesize of input 26 treesize of output 24 [2024-11-09 22:01:21,414 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-09 22:01:21,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-09 22:01:21,473 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 30 treesize of output 21 [2024-11-09 22:01:21,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:01:21,491 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 22 treesize of output 8 [2024-11-09 22:01:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 22:02:04,526 WARN L286 SmtUtils]: Spent 27.95s on a formula simplification. DAG size of input: 149 DAG size of output: 55 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 22:02:04,527 INFO L349 Elim1Store]: treesize reduction 612, result has 15.1 percent of original size [2024-11-09 22:02:04,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 15 new quantified variables, introduced 12 case distinctions, treesize of input 729 treesize of output 2192 [2024-11-09 22:02:12,887 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification. DAG size of input: 63 DAG size of output: 30 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 22:02:12,888 INFO L349 Elim1Store]: treesize reduction 144, result has 23.0 percent of original size [2024-11-09 22:02:12,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 1785 treesize of output 1540 [2024-11-09 22:02:19,904 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:27,510 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:31,392 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:37,246 INFO L173 IndexEqualityManager]: detected equality via solver