./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-patterns/array14_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/array14_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 fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 09:42:21,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 09:42:21,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 09:42:21,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 09:42:21,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 09:42:21,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 09:42:21,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 09:42:21,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 09:42:21,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 09:42:21,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 09:42:21,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 09:42:21,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 09:42:21,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 09:42:21,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 09:42:21,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 09:42:21,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 09:42:21,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 09:42:21,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 09:42:21,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 09:42:21,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 09:42:21,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 09:42:21,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 09:42:21,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 09:42:21,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 09:42:21,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 09:42:21,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 09:42:21,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 09:42:21,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 09:42:21,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 09:42:21,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 09:42:21,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 09:42:21,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 09:42:21,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 09:42:21,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 09:42:21,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 09:42:21,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 09:42:21,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 09:42:21,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 09:42:21,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 09:42:21,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 09:42:21,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 09:42:21,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 09:42:21,111 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 09:42:21,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 09:42:21,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 09:42:21,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 09:42:21,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 09:42:21,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 09:42:21,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 09:42:21,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 09:42:21,113 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 09:42:21,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 09:42:21,114 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 09:42:21,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 09:42:21,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 09:42:21,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 09:42:21,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 09:42:21,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 09:42:21,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 09:42:21,115 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 09:42:21,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 09:42:21,115 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 09:42:21,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 09:42:21,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 09:42:21,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 09:42:21,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 09:42:21,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 09:42:21,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 09:42:21,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 09:42:21,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 09:42:21,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 09:42:21,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 09:42:21,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 09:42:21,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 09:42:21,117 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 09:42:21,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 09:42:21,117 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 09:42:21,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb5421f37e280df661091852c6c5794976668e422c171ea258e23204ca1fbb05 [2023-02-15 09:42:21,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 09:42:21,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 09:42:21,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 09:42:21,286 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 09:42:21,286 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 09:42:21,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array14_pattern.c [2023-02-15 09:42:22,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 09:42:22,431 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 09:42:22,431 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array14_pattern.c [2023-02-15 09:42:22,435 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36a42388/4098f87056c94b439f22472ad65f9682/FLAGb91b81644 [2023-02-15 09:42:22,449 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36a42388/4098f87056c94b439f22472ad65f9682 [2023-02-15 09:42:22,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 09:42:22,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 09:42:22,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 09:42:22,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 09:42:22,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 09:42:22,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab12af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22, skipping insertion in model container [2023-02-15 09:42:22,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 09:42:22,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 09:42:22,581 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/array14_pattern.c[1285,1298] [2023-02-15 09:42:22,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 09:42:22,613 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 09:42:22,621 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/array14_pattern.c[1285,1298] [2023-02-15 09:42:22,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 09:42:22,638 INFO L208 MainTranslator]: Completed translation [2023-02-15 09:42:22,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22 WrapperNode [2023-02-15 09:42:22,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 09:42:22,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 09:42:22,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 09:42:22,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 09:42:22,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,679 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-02-15 09:42:22,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 09:42:22,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 09:42:22,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 09:42:22,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 09:42:22,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,708 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 09:42:22,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 09:42:22,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 09:42:22,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 09:42:22,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (1/1) ... [2023-02-15 09:42:22,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 09:42:22,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:42:22,739 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 09:42:22,741 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 09:42:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 09:42:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-15 09:42:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-15 09:42:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 09:42:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-15 09:42:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 09:42:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 09:42:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 09:42:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 09:42:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-15 09:42:22,815 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 09:42:22,817 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 09:42:22,937 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 09:42:22,941 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 09:42:22,941 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-02-15 09:42:22,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 09:42:22 BoogieIcfgContainer [2023-02-15 09:42:22,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 09:42:22,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 09:42:22,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 09:42:22,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 09:42:22,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 09:42:22" (1/3) ... [2023-02-15 09:42:22,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1ac071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 09:42:22, skipping insertion in model container [2023-02-15 09:42:22,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:42:22" (2/3) ... [2023-02-15 09:42:22,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1ac071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 09:42:22, skipping insertion in model container [2023-02-15 09:42:22,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 09:42:22" (3/3) ... [2023-02-15 09:42:22,949 INFO L112 eAbstractionObserver]: Analyzing ICFG array14_pattern.c [2023-02-15 09:42:22,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 09:42:22,961 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 09:42:23,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 09:42:23,017 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;@2313df5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 09:42:23,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 09:42:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 25 states have (on average 1.6) internal successors, (40), 26 states have internal predecessors, (40), 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 09:42:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-15 09:42:23,025 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:42:23,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 09:42:23,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:42:23,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:42:23,029 INFO L85 PathProgramCache]: Analyzing trace with hash -152131175, now seen corresponding path program 1 times [2023-02-15 09:42:23,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:42:23,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758713493] [2023-02-15 09:42:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:42:23,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:42:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:42:23,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 09:42:23,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758713493] [2023-02-15 09:42:23,129 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 09:42:23,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244197400] [2023-02-15 09:42:23,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:42:23,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:42:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:42:23,132 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 09:42:23,133 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 09:42:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:42:23,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-15 09:42:23,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:42:23,215 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 09:42:23,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 09:42:23,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244197400] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 09:42:23,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 09:42:23,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 09:42:23,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351766075] [2023-02-15 09:42:23,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 09:42:23,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 09:42:23,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 09:42:23,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 09:42:23,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 09:42:23,253 INFO L87 Difference]: Start difference. First operand has 31 states, 25 states have (on average 1.6) internal successors, (40), 26 states have internal predecessors, (40), 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 09:42:23,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 09:42:23,267 INFO L93 Difference]: Finished difference Result 59 states and 91 transitions. [2023-02-15 09:42:23,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 09:42:23,282 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 09:42:23,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 09:42:23,286 INFO L225 Difference]: With dead ends: 59 [2023-02-15 09:42:23,286 INFO L226 Difference]: Without dead ends: 27 [2023-02-15 09:42:23,288 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 09:42:23,311 INFO L413 NwaCegarLoop]: 38 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, 38 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 09:42:23,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 09:42:23,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-15 09:42:23,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-02-15 09:42:23,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-15 09:42:23,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2023-02-15 09:42:23,354 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 15 [2023-02-15 09:42:23,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 09:42:23,354 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2023-02-15 09:42:23,355 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 09:42:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2023-02-15 09:42:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-15 09:42:23,358 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:42:23,358 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] [2023-02-15 09:42:23,365 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 09:42:23,563 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 09:42:23,564 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:42:23,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:42:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash -2136147464, now seen corresponding path program 1 times [2023-02-15 09:42:23,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:42:23,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227614824] [2023-02-15 09:42:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:42:23,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:42:23,581 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 09:42:23,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957510941] [2023-02-15 09:42:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:42:23,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:42:23,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:42:23,582 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 09:42:23,584 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 09:42:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:42:23,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-15 09:42:23,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:42:23,698 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 09:42:23,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 09:42:23,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 09:42:23,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227614824] [2023-02-15 09:42:23,699 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 09:42:23,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957510941] [2023-02-15 09:42:23,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957510941] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 09:42:23,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 09:42:23,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-02-15 09:42:23,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83527509] [2023-02-15 09:42:23,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 09:42:23,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 09:42:23,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 09:42:23,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 09:42:23,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-02-15 09:42:23,702 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 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 09:42:23,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 09:42:23,777 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2023-02-15 09:42:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 09:42:23,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 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 28 [2023-02-15 09:42:23,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 09:42:23,778 INFO L225 Difference]: With dead ends: 58 [2023-02-15 09:42:23,779 INFO L226 Difference]: Without dead ends: 39 [2023-02-15 09:42:23,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-02-15 09:42:23,780 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 38 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 09:42:23,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 52 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 09:42:23,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-02-15 09:42:23,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2023-02-15 09:42:23,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-15 09:42:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2023-02-15 09:42:23,785 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 28 [2023-02-15 09:42:23,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 09:42:23,786 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2023-02-15 09:42:23,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 2 states have call successors, (3), 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 09:42:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-02-15 09:42:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-15 09:42:23,787 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:42:23,787 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] [2023-02-15 09:42:23,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 09:42:23,991 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 09:42:23,992 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:42:23,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:42:23,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1984127527, now seen corresponding path program 1 times [2023-02-15 09:42:23,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:42:23,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533231526] [2023-02-15 09:42:23,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:42:23,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:42:24,016 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 09:42:24,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359762906] [2023-02-15 09:42:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:42:24,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:42:24,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:42:24,038 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 09:42:24,039 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 09:42:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:42:24,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-15 09:42:24,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:42:24,116 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 09:42:24,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 09:42:24,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 09:42:24,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533231526] [2023-02-15 09:42:24,117 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 09:42:24,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359762906] [2023-02-15 09:42:24,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359762906] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 09:42:24,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 09:42:24,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 09:42:24,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819003401] [2023-02-15 09:42:24,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 09:42:24,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 09:42:24,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 09:42:24,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 09:42:24,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 09:42:24,119 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 09:42:24,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 09:42:24,151 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2023-02-15 09:42:24,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 09:42:24,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 34 [2023-02-15 09:42:24,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 09:42:24,153 INFO L225 Difference]: With dead ends: 61 [2023-02-15 09:42:24,153 INFO L226 Difference]: Without dead ends: 37 [2023-02-15 09:42:24,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 09:42:24,154 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 25 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 09:42:24,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 47 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 09:42:24,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-02-15 09:42:24,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2023-02-15 09:42:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-15 09:42:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2023-02-15 09:42:24,159 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 34 [2023-02-15 09:42:24,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 09:42:24,160 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2023-02-15 09:42:24,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 09:42:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-02-15 09:42:24,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-02-15 09:42:24,161 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 09:42:24,161 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 09:42:24,181 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 09:42:24,366 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 09:42:24,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 09:42:24,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 09:42:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1380575367, now seen corresponding path program 1 times [2023-02-15 09:42:24,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 09:42:24,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352337088] [2023-02-15 09:42:24,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:42:24,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 09:42:24,386 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 09:42:24,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843677572] [2023-02-15 09:42:24,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 09:42:24,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 09:42:24,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 09:42:24,405 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 09:42:24,406 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 09:42:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 09:42:24,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 37 conjunts are in the unsatisfiable core [2023-02-15 09:42:24,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 09:42:24,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-02-15 09:42:24,821 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 146 treesize of output 135 [2023-02-15 09:42:24,866 INFO L321 Elim1Store]: treesize reduction 180, result has 2.7 percent of original size [2023-02-15 09:42:24,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 138 treesize of output 575 [2023-02-15 09:42:25,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,275 INFO L321 Elim1Store]: treesize reduction 177, result has 0.6 percent of original size [2023-02-15 09:42:25,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 402 treesize of output 793 [2023-02-15 09:42:25,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:42:25,748 INFO L321 Elim1Store]: treesize reduction 374, result has 10.3 percent of original size [2023-02-15 09:42:25,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 766 treesize of output 2146 [2023-02-15 09:42:52,131 WARN L233 SmtUtils]: Spent 20.57s on a formula simplification. DAG size of input: 344 DAG size of output: 132 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-02-15 09:42:52,133 INFO L321 Elim1Store]: treesize reduction 4854, result has 16.2 percent of original size [2023-02-15 09:42:52,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 11 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 15 new quantified variables, introduced 68 case distinctions, treesize of input 9321 treesize of output 29528 [2023-02-15 09:43:48,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:43:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:43:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:43:48,898 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:48,918 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:49,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:49,507 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:49,779 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:49,933 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:50,052 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:50,131 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:50,136 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:50,138 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:50,139 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:50,140 INFO L217 Elim1Store]: Index analysis took 1266 ms [2023-02-15 09:43:50,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3741 treesize of output 21527 [2023-02-15 09:43:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:43:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:43:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:43:56,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:56,906 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:43:58,423 INFO L217 Elim1Store]: Index analysis took 3118 ms [2023-02-15 09:43:59,288 INFO L321 Elim1Store]: treesize reduction 302, result has 3.2 percent of original size [2023-02-15 09:43:59,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 15 case distinctions, treesize of input 3741 treesize of output 21537 [2023-02-15 09:44:29,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:29,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:29,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:29,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:29,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:29,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:44:33,113 INFO L321 Elim1Store]: treesize reduction 282, result has 34.4 percent of original size [2023-02-15 09:44:33,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 6 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 45956 treesize of output 68918 [2023-02-15 09:46:07,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:07,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:07,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:07,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:07,823 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:08,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:08,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:08,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:08,897 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:08,967 INFO L217 Elim1Store]: Index analysis took 1441 ms [2023-02-15 09:46:08,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 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 9937 treesize of output 39345 [2023-02-15 09:46:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:14,628 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:15,532 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:17,415 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:17,949 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:18,005 INFO L217 Elim1Store]: Index analysis took 3411 ms [2023-02-15 09:46:18,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 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 9937 treesize of output 39345 [2023-02-15 09:46:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:33,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:34,743 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:34,966 INFO L217 Elim1Store]: Index analysis took 1195 ms [2023-02-15 09:46:35,323 INFO L321 Elim1Store]: treesize reduction 215, result has 0.5 percent of original size [2023-02-15 09:46:35,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 9937 treesize of output 39345 [2023-02-15 09:46:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 09:46:39,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:40,383 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:42,299 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:42,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 09:46:42,762 INFO L217 Elim1Store]: Index analysis took 3271 ms [2023-02-15 09:46:42,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 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 9937 treesize of output 39345