./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-patterns/array20_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a31fd051 Calling Ultimate with: /usr/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/array-patterns/array20_pattern.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 09:44:27,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 09:44:27,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 09:44:27,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 09:44:27,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 09:44:27,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 09:44:27,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 09:44:27,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 09:44:27,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 09:44:27,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 09:44:27,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 09:44:27,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 09:44:27,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 09:44:27,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 09:44:27,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 09:44:27,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 09:44:27,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 09:44:27,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 09:44:27,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 09:44:27,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 09:44:27,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 09:44:27,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 09:44:27,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 09:44:27,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 09:44:27,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 09:44:27,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 09:44:27,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 09:44:27,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 09:44:27,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 09:44:27,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 09:44:27,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 09:44:27,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 09:44:27,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 09:44:27,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 09:44:27,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 09:44:27,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 09:44:27,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 09:44:27,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 09:44:27,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 09:44:27,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 09:44:27,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 09:44:27,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 09:44:27,742 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 09:44:27,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 09:44:27,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 09:44:27,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 09:44:27,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 09:44:27,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 09:44:27,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 09:44:27,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 09:44:27,744 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 09:44:27,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 09:44:27,745 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 09:44:27,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 09:44:27,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 09:44:27,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 09:44:27,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 09:44:27,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 09:44:27,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 09:44:27,746 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 09:44:27,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 09:44:27,746 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 09:44:27,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 09:44:27,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 09:44:27,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 09:44:27,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 09:44:27,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 09:44:27,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 09:44:27,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 09:44:27,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 09:44:27,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 09:44:27,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 09:44:27,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 09:44:27,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 09:44:27,748 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 09:44:27,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 09:44:27,748 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 09:44:27,748 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 [2023-02-15 09:44:27,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 09:44:27,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 09:44:27,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 09:44:27,947 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 09:44:27,948 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 09:44:27,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array20_pattern.c [2023-02-15 09:44:28,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 09:44:29,106 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 09:44:29,106 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array20_pattern.c [2023-02-15 09:44:29,112 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af712010/1ffd9767d48d4586be0e6c3d0b8d6b77/FLAGdeb7aa284 [2023-02-15 09:44:29,126 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af712010/1ffd9767d48d4586be0e6c3d0b8d6b77 [2023-02-15 09:44:29,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 09:44:29,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 09:44:29,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 09:44:29,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 09:44:29,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 09:44:29,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190c7b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29, skipping insertion in model container [2023-02-15 09:44:29,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 09:44:29,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 09:44:29,270 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2023-02-15 09:44:29,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 09:44:29,320 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 09:44:29,329 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2023-02-15 09:44:29,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 09:44:29,364 INFO L208 MainTranslator]: Completed translation [2023-02-15 09:44:29,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29 WrapperNode [2023-02-15 09:44:29,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 09:44:29,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 09:44:29,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 09:44:29,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 09:44:29,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,403 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-02-15 09:44:29,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 09:44:29,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 09:44:29,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 09:44:29,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 09:44:29,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,432 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 09:44:29,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 09:44:29,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 09:44:29,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 09:44:29,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (1/1) ... [2023-02-15 09:44:29,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 09:44:29,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:44:29,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 09:44:29,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 09:44:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 09:44:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-15 09:44:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-15 09:44:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 09:44:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-15 09:44:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 09:44:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 09:44:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 09:44:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 09:44:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-15 09:44:29,544 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 09:44:29,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 09:44:29,729 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 09:44:29,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 09:44:29,733 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-02-15 09:44:29,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 09:44:29 BoogieIcfgContainer [2023-02-15 09:44:29,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 09:44:29,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 09:44:29,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 09:44:29,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 09:44:29,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 09:44:29" (1/3) ... [2023-02-15 09:44:29,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed573a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 09:44:29, skipping insertion in model container [2023-02-15 09:44:29,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:44:29" (2/3) ... [2023-02-15 09:44:29,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed573a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 09:44:29, skipping insertion in model container [2023-02-15 09:44:29,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 09:44:29" (3/3) ... [2023-02-15 09:44:29,740 INFO L112 eAbstractionObserver]: Analyzing ICFG array20_pattern.c [2023-02-15 09:44:29,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 09:44:29,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 09:44:29,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 09:44:29,798 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@19cf3861, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 09:44:29,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 09:44:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 28 states have internal predecessors, (43), 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) [2023-02-15 09:44:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-15 09:44:29,808 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:44:29,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 09:44:29,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:44:29,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:44:29,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2132324569, now seen corresponding path program 1 times [2023-02-15 09:44:29,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:44:29,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361621869] [2023-02-15 09:44:29,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:29,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:44:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:44:29,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 09:44:29,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361621869] [2023-02-15 09:44:29,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 09:44:29,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136194134] [2023-02-15 09:44:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:29,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:44:29,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:44:29,902 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) [2023-02-15 09:44:29,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 09:44:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:44:29,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-15 09:44:29,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:44:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 09:44:29,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 09:44:29,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136194134] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 09:44:29,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 09:44:29,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 09:44:29,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492667359] [2023-02-15 09:44:29,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 09:44:29,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 09:44:29,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 09:44:29,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 09:44:30,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 09:44:30,005 INFO L87 Difference]: Start difference. First operand has 33 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 28 states have internal predecessors, (43), 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 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 09:44:30,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 09:44:30,026 INFO L93 Difference]: Finished difference Result 63 states and 97 transitions. [2023-02-15 09:44:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 09:44:30,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-02-15 09:44:30,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 09:44:30,032 INFO L225 Difference]: With dead ends: 63 [2023-02-15 09:44:30,032 INFO L226 Difference]: Without dead ends: 29 [2023-02-15 09:44:30,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 09:44:30,038 INFO L413 NwaCegarLoop]: 41 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, 41 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 [2023-02-15 09:44:30,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 09:44:30,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-02-15 09:44:30,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-02-15 09:44:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 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) [2023-02-15 09:44:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2023-02-15 09:44:30,060 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 15 [2023-02-15 09:44:30,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 09:44:30,060 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2023-02-15 09:44:30,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-02-15 09:44:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-02-15 09:44:30,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-15 09:44:30,065 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:44:30,065 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 09:44:30,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 09:44:30,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-02-15 09:44:30,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:44:30,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:44:30,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1872922357, now seen corresponding path program 1 times [2023-02-15 09:44:30,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:44:30,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535473455] [2023-02-15 09:44:30,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:30,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:44:30,302 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 09:44:30,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917065812] [2023-02-15 09:44:30,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:30,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:44:30,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:44:30,305 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) [2023-02-15 09:44:30,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 09:44:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:44:30,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-15 09:44:30,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:44:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-15 09:44:30,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 09:44:30,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 09:44:30,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535473455] [2023-02-15 09:44:30,433 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 09:44:30,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917065812] [2023-02-15 09:44:30,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917065812] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 09:44:30,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 09:44:30,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 09:44:30,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190996623] [2023-02-15 09:44:30,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 09:44:30,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 09:44:30,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 09:44:30,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 09:44:30,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 09:44:30,438 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-02-15 09:44:30,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 09:44:30,485 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2023-02-15 09:44:30,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 09:44:30,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 30 [2023-02-15 09:44:30,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 09:44:30,486 INFO L225 Difference]: With dead ends: 36 [2023-02-15 09:44:30,486 INFO L226 Difference]: Without dead ends: 32 [2023-02-15 09:44:30,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 09:44:30,487 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 09:44:30,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 84 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 09:44:30,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-02-15 09:44:30,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-02-15 09:44:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 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) [2023-02-15 09:44:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2023-02-15 09:44:30,500 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 30 [2023-02-15 09:44:30,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 09:44:30,501 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2023-02-15 09:44:30,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-02-15 09:44:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2023-02-15 09:44:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-15 09:44:30,502 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:44:30,502 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1] [2023-02-15 09:44:30,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-15 09:44:30,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-02-15 09:44:30,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:44:30,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:44:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash 212512359, now seen corresponding path program 1 times [2023-02-15 09:44:30,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:44:30,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859580733] [2023-02-15 09:44:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:30,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:44:30,723 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 09:44:30,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374193947] [2023-02-15 09:44:30,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:30,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:44:30,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:44:30,726 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 09:44:30,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 09:44:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:44:30,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 09:44:30,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:44:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-15 09:44:30,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 09:44:30,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 09:44:30,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859580733] [2023-02-15 09:44:30,844 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 09:44:30,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374193947] [2023-02-15 09:44:30,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374193947] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 09:44:30,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 09:44:30,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-15 09:44:30,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022146191] [2023-02-15 09:44:30,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 09:44:30,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 09:44:30,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 09:44:30,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 09:44:30,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-15 09:44:30,846 INFO L87 Difference]: Start difference. First operand 32 states and 41 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 09:44:30,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 09:44:30,908 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2023-02-15 09:44:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 09:44:30,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2023-02-15 09:44:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 09:44:30,909 INFO L225 Difference]: With dead ends: 67 [2023-02-15 09:44:30,910 INFO L226 Difference]: Without dead ends: 42 [2023-02-15 09:44:30,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-02-15 09:44:30,911 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 09:44:30,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 92 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 09:44:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-15 09:44:30,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2023-02-15 09:44:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 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) [2023-02-15 09:44:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2023-02-15 09:44:30,915 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 35 [2023-02-15 09:44:30,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 09:44:30,916 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2023-02-15 09:44:30,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 09:44:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-02-15 09:44:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-02-15 09:44:30,917 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:44:30,917 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1] [2023-02-15 09:44:30,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 09:44:31,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:44:31,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:44:31,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:44:31,125 INFO L85 PathProgramCache]: Analyzing trace with hash -654332553, now seen corresponding path program 1 times [2023-02-15 09:44:31,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:44:31,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681317212] [2023-02-15 09:44:31,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:44:31,143 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 09:44:31,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54305228] [2023-02-15 09:44:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:31,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:44:31,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:44:31,146 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 09:44:31,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 09:44:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:44:31,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 09:44:31,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:44:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-15 09:44:31,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 09:44:31,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 09:44:31,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681317212] [2023-02-15 09:44:31,237 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 09:44:31,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54305228] [2023-02-15 09:44:31,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54305228] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 09:44:31,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 09:44:31,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 09:44:31,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029423182] [2023-02-15 09:44:31,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 09:44:31,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 09:44:31,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 09:44:31,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 09:44:31,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 09:44:31,238 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 09:44:31,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 09:44:31,283 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2023-02-15 09:44:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 09:44:31,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2023-02-15 09:44:31,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 09:44:31,288 INFO L225 Difference]: With dead ends: 64 [2023-02-15 09:44:31,288 INFO L226 Difference]: Without dead ends: 36 [2023-02-15 09:44:31,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 09:44:31,293 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 28 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 09:44:31,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 51 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 09:44:31,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-02-15 09:44:31,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2023-02-15 09:44:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 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) [2023-02-15 09:44:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2023-02-15 09:44:31,303 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 38 [2023-02-15 09:44:31,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 09:44:31,303 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 41 transitions. [2023-02-15 09:44:31,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-15 09:44:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-02-15 09:44:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-02-15 09:44:31,304 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:44:31,305 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 09:44:31,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 09:44:31,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:44:31,510 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:44:31,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:44:31,510 INFO L85 PathProgramCache]: Analyzing trace with hash 579061941, now seen corresponding path program 1 times [2023-02-15 09:44:31,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:44:31,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610458000] [2023-02-15 09:44:31,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:31,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:44:31,537 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 09:44:31,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700734774] [2023-02-15 09:44:31,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:44:31,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:44:31,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:44:31,543 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 09:44:31,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 09:44:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:44:31,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 42 conjunts are in the unsatisfiable core [2023-02-15 09:44:31,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:44:31,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 130 [2023-02-15 09:44:31,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 567 [2023-02-15 09:44:32,014 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 09:44:32,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:32,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:32,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:32,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:32,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:32,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 231 treesize of output 417 [2023-02-15 09:44:32,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:32,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:32,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 171 treesize of output 147 [2023-02-15 09:44:32,252 INFO L321 Elim1Store]: treesize reduction 17, result has 15.0 percent of original size [2023-02-15 09:44:32,252 INFO L350 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 28 treesize of output 10 [2023-02-15 09:44:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 09:44:32,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 09:44:32,397 INFO L350 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 176 treesize of output 168 [2023-02-15 09:44:32,423 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 09:44:32,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 168 treesize of output 733 [2023-02-15 09:44:33,452 INFO L321 Elim1Store]: treesize reduction 1003, result has 32.1 percent of original size [2023-02-15 09:44:33,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 17 case distinctions, treesize of input 1361 treesize of output 3086 [2023-02-15 09:44:46,005 INFO L217 Elim1Store]: Index analysis took 1092 ms [2023-02-15 09:44:46,089 INFO L321 Elim1Store]: treesize reduction 282, result has 0.4 percent of original size [2023-02-15 09:44:46,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 652 treesize of output 1134 [2023-02-15 09:44:48,290 INFO L217 Elim1Store]: Index analysis took 1470 ms [2023-02-15 09:44:48,356 INFO L321 Elim1Store]: treesize reduction 357, result has 0.3 percent of original size [2023-02-15 09:44:48,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 11 case distinctions, treesize of input 917 treesize of output 2653 [2023-02-15 09:44:49,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:49,760 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:49,761 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:50,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:50,378 INFO L217 Elim1Store]: Index analysis took 645 ms [2023-02-15 09:44:50,465 INFO L321 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2023-02-15 09:44:50,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 652 treesize of output 1134 [2023-02-15 09:44:51,210 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:51,882 INFO L217 Elim1Store]: Index analysis took 721 ms [2023-02-15 09:44:51,904 INFO L321 Elim1Store]: treesize reduction 294, result has 0.3 percent of original size [2023-02-15 09:44:51,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 11 case distinctions, treesize of input 917 treesize of output 2653 [2023-02-15 09:44:53,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:53,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:53,643 INFO L321 Elim1Store]: treesize reduction 108, result has 60.3 percent of original size [2023-02-15 09:44:53,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 2605 treesize of output 3966 [2023-02-15 09:44:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:55,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:55,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:55,518 INFO L321 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-02-15 09:44:55,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 826 treesize of output 2584 [2023-02-15 09:44:56,828 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:56,829 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:56,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:44:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:57,020 INFO L217 Elim1Store]: Index analysis took 192 ms [2023-02-15 09:44:57,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 652 treesize of output 1134 [2023-02-15 09:45:25,601 INFO L321 Elim1Store]: treesize reduction 364, result has 64.3 percent of original size [2023-02-15 09:45:25,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 6890 treesize of output 11491 [2023-02-15 09:47:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:00,669 INFO L217 Elim1Store]: Index analysis took 347 ms [2023-02-15 09:47:01,232 INFO L321 Elim1Store]: treesize reduction 488, result has 12.4 percent of original size [2023-02-15 09:47:01,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 1652 treesize of output 2894 [2023-02-15 09:47:09,170 INFO L321 Elim1Store]: treesize reduction 546, result has 47.1 percent of original size [2023-02-15 09:47:09,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 18 case distinctions, treesize of input 7656 treesize of output 13452 [2023-02-15 09:47:38,634 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:47:38,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:38,636 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:47:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:38,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:38,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:38,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 7548 treesize of output 9698 [2023-02-15 09:47:40,669 INFO L321 Elim1Store]: treesize reduction 456, result has 0.2 percent of original size [2023-02-15 09:47:40,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 16 case distinctions, treesize of input 2487 treesize of output 4638 [2023-02-15 09:47:42,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:42,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:47:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:42,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:42,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:42,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:42,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7596 treesize of output 9724 [2023-02-15 09:47:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:55,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:47:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:55,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:47:55,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:47:55,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:55,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:47:56,553 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 09:47:56,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 5365 treesize of output 11694 [2023-02-15 09:48:02,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:02,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:02,879 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:03,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:03,081 INFO L217 Elim1Store]: Index analysis took 203 ms [2023-02-15 09:48:03,083 INFO L350 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 2555 treesize of output 4887 [2023-02-15 09:48:04,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:04,740 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:04,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:04,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:04,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:04,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:04,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:04,851 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 09:48:04,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1851 treesize of output 6223 [2023-02-15 09:48:21,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:21,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:21,663 INFO L350 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 11550 treesize of output 11258 [2023-02-15 09:48:22,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:22,581 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:22,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:22,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:22,585 INFO L350 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 371 treesize of output 79 [2023-02-15 09:48:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:22,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:22,877 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:22,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:23,110 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 09:48:23,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 888 treesize of output 5409 [2023-02-15 09:48:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:25,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:25,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:25,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:48:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:25,930 INFO L217 Elim1Store]: Index analysis took 126 ms [2023-02-15 09:48:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:48:26,000 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 09:48:26,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 5975 treesize of output 9484 [2023-02-15 09:48:29,207 INFO L321 Elim1Store]: treesize reduction 361, result has 33.3 percent of original size [2023-02-15 09:48:29,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 9326 treesize of output 10281