./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e8d55036 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/loops/invert_string-3.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 ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 19:56:00,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 19:56:00,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 19:56:00,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 19:56:00,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 19:56:00,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 19:56:00,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 19:56:00,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 19:56:00,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 19:56:00,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 19:56:00,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 19:56:00,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 19:56:00,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 19:56:00,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 19:56:00,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 19:56:00,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 19:56:00,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 19:56:00,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 19:56:00,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 19:56:00,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 19:56:00,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 19:56:00,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 19:56:00,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 19:56:00,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 19:56:00,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 19:56:00,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 19:56:00,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 19:56:00,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 19:56:00,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 19:56:00,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 19:56:00,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 19:56:00,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 19:56:00,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 19:56:00,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 19:56:00,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 19:56:00,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 19:56:00,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 19:56:00,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 19:56:00,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 19:56:00,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 19:56:00,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 19:56:00,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 19:56:00,268 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 19:56:00,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 19:56:00,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 19:56:00,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 19:56:00,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 19:56:00,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 19:56:00,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 19:56:00,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 19:56:00,271 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 19:56:00,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 19:56:00,272 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 19:56:00,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 19:56:00,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 19:56:00,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 19:56:00,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 19:56:00,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 19:56:00,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 19:56:00,274 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 19:56:00,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 19:56:00,274 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 19:56:00,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 19:56:00,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 19:56:00,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 19:56:00,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 19:56:00,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 19:56:00,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 19:56:00,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 19:56:00,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 19:56:00,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 19:56:00,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 19:56:00,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 19:56:00,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 19:56:00,277 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 19:56:00,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 19:56:00,278 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 19:56:00,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2023-02-15 19:56:00,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 19:56:00,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 19:56:00,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 19:56:00,518 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 19:56:00,519 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 19:56:00,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-3.c [2023-02-15 19:56:01,693 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 19:56:01,822 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 19:56:01,822 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2023-02-15 19:56:01,827 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0b1e8be/1a7fafbea0024f3fa0f600f4a309d857/FLAG65634a3cf [2023-02-15 19:56:01,838 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd0b1e8be/1a7fafbea0024f3fa0f600f4a309d857 [2023-02-15 19:56:01,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 19:56:01,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 19:56:01,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 19:56:01,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 19:56:01,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 19:56:01,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:56:01" (1/1) ... [2023-02-15 19:56:01,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e97a0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:01, skipping insertion in model container [2023-02-15 19:56:01,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:56:01" (1/1) ... [2023-02-15 19:56:01,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 19:56:01,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 19:56:01,998 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/loops/invert_string-3.c[327,340] [2023-02-15 19:56:02,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 19:56:02,029 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 19:56:02,040 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/loops/invert_string-3.c[327,340] [2023-02-15 19:56:02,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 19:56:02,056 INFO L208 MainTranslator]: Completed translation [2023-02-15 19:56:02,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02 WrapperNode [2023-02-15 19:56:02,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 19:56:02,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 19:56:02,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 19:56:02,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 19:56:02,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,098 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2023-02-15 19:56:02,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 19:56:02,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 19:56:02,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 19:56:02,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 19:56:02,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 19:56:02,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 19:56:02,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 19:56:02,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 19:56:02,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (1/1) ... [2023-02-15 19:56:02,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 19:56:02,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:56:02,148 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 19:56:02,170 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 19:56:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 19:56:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 19:56:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-15 19:56:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 19:56:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 19:56:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 19:56:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 19:56:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-15 19:56:02,256 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 19:56:02,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 19:56:02,459 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 19:56:02,463 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 19:56:02,471 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-02-15 19:56:02,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:56:02 BoogieIcfgContainer [2023-02-15 19:56:02,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 19:56:02,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 19:56:02,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 19:56:02,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 19:56:02,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 07:56:01" (1/3) ... [2023-02-15 19:56:02,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d18fc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:56:02, skipping insertion in model container [2023-02-15 19:56:02,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:56:02" (2/3) ... [2023-02-15 19:56:02,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d18fc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:56:02, skipping insertion in model container [2023-02-15 19:56:02,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:56:02" (3/3) ... [2023-02-15 19:56:02,509 INFO L112 eAbstractionObserver]: Analyzing ICFG invert_string-3.c [2023-02-15 19:56:02,540 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 19:56:02,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 19:56:02,607 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 19:56:02,615 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;@2a5d4420, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 19:56:02,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 19:56:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-15 19:56:02,629 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:02,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:02,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:02,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash -2016449835, now seen corresponding path program 1 times [2023-02-15 19:56:02,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:02,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175654769] [2023-02-15 19:56:02,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:02,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:02,983 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 19:56:02,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:02,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175654769] [2023-02-15 19:56:02,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175654769] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:56:02,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:56:02,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 19:56:02,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596611958] [2023-02-15 19:56:02,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:56:02,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 19:56:02,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:03,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 19:56:03,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 19:56:03,019 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:03,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:03,070 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2023-02-15 19:56:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 19:56:03,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-02-15 19:56:03,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:03,078 INFO L225 Difference]: With dead ends: 33 [2023-02-15 19:56:03,079 INFO L226 Difference]: Without dead ends: 15 [2023-02-15 19:56:03,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 19:56:03,087 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 30 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:03,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 12 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 19:56:03,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-02-15 19:56:03,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-02-15 19:56:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-02-15 19:56:03,119 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 9 [2023-02-15 19:56:03,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:03,120 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-02-15 19:56:03,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-02-15 19:56:03,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 19:56:03,121 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:03,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:03,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 19:56:03,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:03,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:03,123 INFO L85 PathProgramCache]: Analyzing trace with hash 867342291, now seen corresponding path program 1 times [2023-02-15 19:56:03,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:03,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244206781] [2023-02-15 19:56:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:03,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 19:56:03,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:03,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244206781] [2023-02-15 19:56:03,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244206781] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:56:03,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:56:03,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:56:03,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856418739] [2023-02-15 19:56:03,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:56:03,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:56:03,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:03,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:56:03,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:56:03,348 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:03,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:03,387 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2023-02-15 19:56:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:56:03,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-15 19:56:03,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:03,389 INFO L225 Difference]: With dead ends: 28 [2023-02-15 19:56:03,389 INFO L226 Difference]: Without dead ends: 17 [2023-02-15 19:56:03,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:56:03,395 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:03,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 19:56:03,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-02-15 19:56:03,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2023-02-15 19:56:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2023-02-15 19:56:03,404 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2023-02-15 19:56:03,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:03,404 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2023-02-15 19:56:03,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-02-15 19:56:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-15 19:56:03,405 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:03,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:03,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 19:56:03,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:03,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:03,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2031054225, now seen corresponding path program 1 times [2023-02-15 19:56:03,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:03,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199339426] [2023-02-15 19:56:03,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:03,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 19:56:03,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:03,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199339426] [2023-02-15 19:56:03,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199339426] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:56:03,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442804877] [2023-02-15 19:56:03,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:03,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:03,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:56:03,661 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 19:56:03,663 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 19:56:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:03,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 37 conjunts are in the unsatisfiable core [2023-02-15 19:56:03,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:56:03,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 19:56:03,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2023-02-15 19:56:03,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 19:56:03,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2023-02-15 19:56:04,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-02-15 19:56:04,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:04,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:04,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 20 [2023-02-15 19:56:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 19:56:04,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:56:04,566 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-15 19:56:04,567 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 330 treesize of output 1 [2023-02-15 19:56:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 19:56:04,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442804877] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:56:04,568 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 19:56:04,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 8] total 17 [2023-02-15 19:56:04,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002656952] [2023-02-15 19:56:04,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 19:56:04,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-15 19:56:04,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:04,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-15 19:56:04,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-02-15 19:56:04,571 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:05,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:05,441 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2023-02-15 19:56:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-15 19:56:05,442 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-02-15 19:56:05,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:05,442 INFO L225 Difference]: With dead ends: 50 [2023-02-15 19:56:05,443 INFO L226 Difference]: Without dead ends: 39 [2023-02-15 19:56:05,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=264, Invalid=792, Unknown=0, NotChecked=0, Total=1056 [2023-02-15 19:56:05,444 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 73 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:05,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 61 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 19:56:05,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-02-15 19:56:05,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 23. [2023-02-15 19:56:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-02-15 19:56:05,458 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2023-02-15 19:56:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:05,461 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-02-15 19:56:05,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-02-15 19:56:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-02-15 19:56:05,463 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:05,463 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:05,472 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 19:56:05,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:05,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:05,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:05,671 INFO L85 PathProgramCache]: Analyzing trace with hash -799235507, now seen corresponding path program 2 times [2023-02-15 19:56:05,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:05,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073608446] [2023-02-15 19:56:05,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:05,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 19:56:05,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:05,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073608446] [2023-02-15 19:56:05,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073608446] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:56:05,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207397105] [2023-02-15 19:56:05,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 19:56:05,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:05,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:56:05,918 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 19:56:05,921 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 19:56:05,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 19:56:05,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 19:56:05,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 37 conjunts are in the unsatisfiable core [2023-02-15 19:56:05,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:56:05,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 19:56:06,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-02-15 19:56:06,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:06,440 INFO L321 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2023-02-15 19:56:06,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 23 [2023-02-15 19:56:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 19:56:06,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:56:06,645 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:06,645 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 82 treesize of output 78 [2023-02-15 19:56:06,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:06,695 INFO L321 Elim1Store]: treesize reduction 23, result has 34.3 percent of original size [2023-02-15 19:56:06,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 36 [2023-02-15 19:56:06,707 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2023-02-15 19:56:06,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 1 [2023-02-15 19:56:06,712 INFO L321 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2023-02-15 19:56:06,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-02-15 19:56:06,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:06,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2023-02-15 19:56:06,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:06,731 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-15 19:56:06,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 1 [2023-02-15 19:56:06,740 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:06,740 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 80 treesize of output 76 [2023-02-15 19:56:06,779 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-02-15 19:56:06,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 21 [2023-02-15 19:56:06,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2023-02-15 19:56:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:06,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-02-15 19:56:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:06,814 INFO L321 Elim1Store]: treesize reduction 23, result has 41.0 percent of original size [2023-02-15 19:56:06,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 39 [2023-02-15 19:56:06,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:06,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:06,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2023-02-15 19:56:06,835 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2023-02-15 19:56:06,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 1 [2023-02-15 19:56:06,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 19:56:06,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207397105] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:56:06,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 19:56:06,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 10] total 24 [2023-02-15 19:56:06,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375677061] [2023-02-15 19:56:06,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 19:56:06,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-15 19:56:06,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:06,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-15 19:56:06,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2023-02-15 19:56:06,985 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:08,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:08,543 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2023-02-15 19:56:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-02-15 19:56:08,543 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-02-15 19:56:08,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:08,544 INFO L225 Difference]: With dead ends: 54 [2023-02-15 19:56:08,544 INFO L226 Difference]: Without dead ends: 44 [2023-02-15 19:56:08,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=413, Invalid=1749, Unknown=0, NotChecked=0, Total=2162 [2023-02-15 19:56:08,546 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 156 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:08,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 72 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 19:56:08,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-02-15 19:56:08,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 29. [2023-02-15 19:56:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-02-15 19:56:08,555 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 17 [2023-02-15 19:56:08,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:08,555 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-02-15 19:56:08,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-02-15 19:56:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-15 19:56:08,556 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:08,556 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:08,568 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 19:56:08,761 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,SelfDestructingSolverStorable3 [2023-02-15 19:56:08,761 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:08,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:08,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1667973471, now seen corresponding path program 1 times [2023-02-15 19:56:08,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:08,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408229090] [2023-02-15 19:56:08,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:08,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-15 19:56:08,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:08,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408229090] [2023-02-15 19:56:08,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408229090] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:56:08,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564816273] [2023-02-15 19:56:08,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:08,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:08,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:56:08,997 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 19:56:09,024 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 19:56:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:09,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 55 conjunts are in the unsatisfiable core [2023-02-15 19:56:09,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:56:09,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 19:56:09,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-02-15 19:56:09,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-02-15 19:56:09,919 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:09,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:09,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 20 [2023-02-15 19:56:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 19:56:09,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:56:10,469 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:10,470 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 442 treesize of output 410 [2023-02-15 19:56:10,794 INFO L321 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2023-02-15 19:56:10,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 189 treesize of output 163 [2023-02-15 19:56:10,818 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:10,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 74 [2023-02-15 19:56:10,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:10,847 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:10,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 86 [2023-02-15 19:56:10,865 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:10,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:10,873 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-02-15 19:56:10,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:10,879 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:10,886 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-02-15 19:56:10,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:10,901 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2023-02-15 19:56:10,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 78 [2023-02-15 19:56:10,913 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:10,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:10,919 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-02-15 19:56:10,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:10,930 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:10,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 70 [2023-02-15 19:56:10,944 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:10,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:10,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:10,963 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:10,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 1 [2023-02-15 19:56:10,971 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:10,989 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,005 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-02-15 19:56:11,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:11,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,020 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2023-02-15 19:56:11,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:11,025 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:11,030 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:11,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:11,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,046 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:11,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 1 [2023-02-15 19:56:11,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:11,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-02-15 19:56:11,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2023-02-15 19:56:11,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2023-02-15 19:56:11,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2023-02-15 19:56:11,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2023-02-15 19:56:11,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2023-02-15 19:56:11,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2023-02-15 19:56:11,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,202 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:11,203 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 442 treesize of output 410 [2023-02-15 19:56:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,632 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:11,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 143 [2023-02-15 19:56:11,653 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:11,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 70 [2023-02-15 19:56:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,678 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:11,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 155 [2023-02-15 19:56:11,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,706 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:11,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 86 [2023-02-15 19:56:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,745 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2023-02-15 19:56:11,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 78 [2023-02-15 19:56:11,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,768 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:11,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 155 [2023-02-15 19:56:11,803 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:11,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 74 [2023-02-15 19:56:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,835 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:11,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 86 [2023-02-15 19:56:11,851 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,859 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:11,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:11,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-02-15 19:56:11,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2023-02-15 19:56:11,887 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:11,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2023-02-15 19:56:11,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2023-02-15 19:56:11,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:11,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-02-15 19:56:11,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 19:56:12,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564816273] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:56:12,682 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 19:56:12,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 16, 16] total 36 [2023-02-15 19:56:12,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765430634] [2023-02-15 19:56:12,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 19:56:12,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-02-15 19:56:12,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:12,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-02-15 19:56:12,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2023-02-15 19:56:12,685 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 36 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:16,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:16,398 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2023-02-15 19:56:16,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-02-15 19:56:16,399 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-02-15 19:56:16,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:16,400 INFO L225 Difference]: With dead ends: 71 [2023-02-15 19:56:16,400 INFO L226 Difference]: Without dead ends: 62 [2023-02-15 19:56:16,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=704, Invalid=3852, Unknown=0, NotChecked=0, Total=4556 [2023-02-15 19:56:16,402 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 232 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:16,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 114 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-15 19:56:16,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-02-15 19:56:16,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 38. [2023-02-15 19:56:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2023-02-15 19:56:16,416 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 23 [2023-02-15 19:56:16,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:16,417 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-02-15 19:56:16,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-02-15 19:56:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-02-15 19:56:16,418 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:16,418 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:16,423 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 19:56:16,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:16,624 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:16,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:16,624 INFO L85 PathProgramCache]: Analyzing trace with hash 492484807, now seen corresponding path program 3 times [2023-02-15 19:56:16,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:16,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958488227] [2023-02-15 19:56:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-15 19:56:16,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:16,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958488227] [2023-02-15 19:56:16,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958488227] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:56:16,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175966066] [2023-02-15 19:56:16,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 19:56:16,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:16,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:56:16,781 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 19:56:16,789 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 19:56:16,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-15 19:56:16,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 19:56:16,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-15 19:56:16,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:56:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-15 19:56:16,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:56:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-15 19:56:16,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175966066] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:56:16,929 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 19:56:16,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-02-15 19:56:16,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614178793] [2023-02-15 19:56:16,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 19:56:16,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-15 19:56:16,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:16,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-15 19:56:16,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2023-02-15 19:56:16,931 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:17,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:17,013 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2023-02-15 19:56:17,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 19:56:17,014 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-02-15 19:56:17,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:17,016 INFO L225 Difference]: With dead ends: 75 [2023-02-15 19:56:17,016 INFO L226 Difference]: Without dead ends: 44 [2023-02-15 19:56:17,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2023-02-15 19:56:17,017 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:17,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 39 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:56:17,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-02-15 19:56:17,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-02-15 19:56:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2023-02-15 19:56:17,033 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 23 [2023-02-15 19:56:17,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:17,033 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2023-02-15 19:56:17,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-02-15 19:56:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-15 19:56:17,034 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:17,034 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:17,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-15 19:56:17,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:17,235 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:17,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:17,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2015456385, now seen corresponding path program 4 times [2023-02-15 19:56:17,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:17,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618058515] [2023-02-15 19:56:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:17,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-02-15 19:56:18,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:18,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618058515] [2023-02-15 19:56:18,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618058515] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:56:18,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365058101] [2023-02-15 19:56:18,440 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 19:56:18,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:18,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:56:18,443 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 19:56:18,444 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 19:56:18,505 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 19:56:18,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 19:56:18,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-15 19:56:18,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:56:18,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 19:56:19,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-02-15 19:56:19,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:19,258 INFO L321 Elim1Store]: treesize reduction 12, result has 20.0 percent of original size [2023-02-15 19:56:19,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 23 [2023-02-15 19:56:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-15 19:56:19,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:56:19,471 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:19,471 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 82 treesize of output 78 [2023-02-15 19:56:19,511 INFO L321 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2023-02-15 19:56:19,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2023-02-15 19:56:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:19,526 INFO L321 Elim1Store]: treesize reduction 23, result has 34.3 percent of original size [2023-02-15 19:56:19,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 36 [2023-02-15 19:56:19,537 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2023-02-15 19:56:19,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 1 [2023-02-15 19:56:19,544 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-15 19:56:19,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 1 [2023-02-15 19:56:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:19,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2023-02-15 19:56:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:19,558 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:19,558 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 80 treesize of output 76 [2023-02-15 19:56:19,607 INFO L321 Elim1Store]: treesize reduction 23, result has 41.0 percent of original size [2023-02-15 19:56:19,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 39 [2023-02-15 19:56:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:19,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2023-02-15 19:56:19,623 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2023-02-15 19:56:19,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 1 [2023-02-15 19:56:19,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:19,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2023-02-15 19:56:19,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:19,638 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-15 19:56:19,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2023-02-15 19:56:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-15 19:56:20,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365058101] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:56:20,089 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 19:56:20,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 16] total 45 [2023-02-15 19:56:20,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550019651] [2023-02-15 19:56:20,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 19:56:20,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-02-15 19:56:20,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:20,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-02-15 19:56:20,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=1696, Unknown=0, NotChecked=0, Total=1980 [2023-02-15 19:56:20,092 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 45 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 45 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:28,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:28,162 INFO L93 Difference]: Finished difference Result 166 states and 175 transitions. [2023-02-15 19:56:28,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-02-15 19:56:28,162 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 45 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-02-15 19:56:28,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:28,164 INFO L225 Difference]: With dead ends: 166 [2023-02-15 19:56:28,164 INFO L226 Difference]: Without dead ends: 164 [2023-02-15 19:56:28,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3859 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=2377, Invalid=12629, Unknown=0, NotChecked=0, Total=15006 [2023-02-15 19:56:28,168 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 557 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:28,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 428 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-15 19:56:28,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-02-15 19:56:28,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 41. [2023-02-15 19:56:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2023-02-15 19:56:28,193 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 29 [2023-02-15 19:56:28,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:28,194 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2023-02-15 19:56:28,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 45 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-02-15 19:56:28,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-15 19:56:28,195 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:28,195 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:28,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 19:56:28,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:28,401 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:28,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1871551151, now seen corresponding path program 2 times [2023-02-15 19:56:28,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:28,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352486828] [2023-02-15 19:56:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:28,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-02-15 19:56:28,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:28,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352486828] [2023-02-15 19:56:28,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352486828] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:56:28,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452029754] [2023-02-15 19:56:28,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 19:56:28,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:28,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:56:28,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:56:28,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 19:56:28,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 19:56:28,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 19:56:28,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 62 conjunts are in the unsatisfiable core [2023-02-15 19:56:28,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:56:28,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 19:56:28,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-02-15 19:56:29,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-02-15 19:56:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:29,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-02-15 19:56:29,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:29,897 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:29,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 20 [2023-02-15 19:56:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-15 19:56:29,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:56:31,076 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:31,077 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 482 treesize of output 454 [2023-02-15 19:56:32,647 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:32,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 567 treesize of output 516 [2023-02-15 19:56:32,760 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:32,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 385 treesize of output 352 [2023-02-15 19:56:32,836 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,845 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:32,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 185 treesize of output 168 [2023-02-15 19:56:32,894 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,899 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:32,902 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,903 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,908 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:32,912 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,912 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,917 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:32,920 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,921 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,926 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 1 [2023-02-15 19:56:32,930 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,930 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,936 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:32,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,944 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:32,952 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,960 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:32,964 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,965 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,972 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:32,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:32,985 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:32,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:33,005 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:33,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 567 treesize of output 516 [2023-02-15 19:56:33,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,101 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 1 [2023-02-15 19:56:33,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,109 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:33,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,113 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,117 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 1 [2023-02-15 19:56:33,120 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,125 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:33,137 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 567 treesize of output 1 [2023-02-15 19:56:33,162 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:33,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 393 treesize of output 355 [2023-02-15 19:56:33,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,248 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 267 treesize of output 1 [2023-02-15 19:56:33,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,259 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 1 [2023-02-15 19:56:33,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,271 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 267 treesize of output 1 [2023-02-15 19:56:33,276 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,283 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 1 [2023-02-15 19:56:33,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,290 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,295 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 1 [2023-02-15 19:56:33,301 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,308 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:33,325 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 567 treesize of output 1 [2023-02-15 19:56:33,341 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:33,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 385 treesize of output 347 [2023-02-15 19:56:33,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,434 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 1 [2023-02-15 19:56:33,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,446 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:33,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,460 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:33,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,471 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:33,477 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,478 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,485 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:33,489 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,490 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,496 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:33,503 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,504 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,510 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 1 [2023-02-15 19:56:33,514 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,515 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,523 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:33,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,536 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:33,542 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,542 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,548 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:33,556 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,566 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 1 [2023-02-15 19:56:33,577 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,587 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 279 treesize of output 1 [2023-02-15 19:56:33,592 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,608 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 147 [2023-02-15 19:56:33,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,641 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,642 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,646 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,647 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,664 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,665 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,669 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,673 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,673 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,677 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,677 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,683 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,684 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,691 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,692 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,697 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:33,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,705 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 1 [2023-02-15 19:56:33,708 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,709 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,714 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:33,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,717 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,722 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:33,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,726 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,731 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:33,734 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,737 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,742 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:33,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,754 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 70 [2023-02-15 19:56:33,764 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,766 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,772 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,772 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,780 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,791 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 1 [2023-02-15 19:56:33,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,814 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:33,819 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,825 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,836 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 579 treesize of output 1 [2023-02-15 19:56:33,841 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,847 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 1 [2023-02-15 19:56:33,851 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,858 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:33,863 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,864 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,867 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,868 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,884 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:33,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,888 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,894 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:33,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:33,906 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,907 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,910 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,913 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,917 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,918 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,922 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,924 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:33,944 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-02-15 19:56:33,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,969 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,979 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:33,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,990 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:33,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:33,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:33,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,027 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,053 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,066 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,116 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,127 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,142 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,165 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,187 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,195 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,217 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,249 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,257 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,265 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,275 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,286 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,301 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,315 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,321 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,353 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,365 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,374 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,389 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,397 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,412 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,419 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:34,429 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:34,481 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:34,482 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 482 treesize of output 454 [2023-02-15 19:56:35,043 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:35,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2388 treesize of output 2148 [2023-02-15 19:56:35,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:35,499 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:35,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 958 treesize of output 779 [2023-02-15 19:56:35,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:35,666 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:35,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2436 treesize of output 1 [2023-02-15 19:56:35,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:35,681 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:35,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1639 treesize of output 1403 [2023-02-15 19:56:36,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:36,077 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:36,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 402 treesize of output 1 [2023-02-15 19:56:36,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:36,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:36,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:36,092 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:36,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:36,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:36,111 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:36,119 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:36,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:36,140 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:36,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1591 treesize of output 1391 [2023-02-15 19:56:37,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,418 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 212 treesize of output 170 [2023-02-15 19:56:37,448 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,458 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 605 treesize of output 1 [2023-02-15 19:56:37,463 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,475 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 1 [2023-02-15 19:56:37,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,494 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2436 treesize of output 1 [2023-02-15 19:56:37,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,502 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,508 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:37,513 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,523 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:37,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 236 treesize of output 182 [2023-02-15 19:56:37,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,570 INFO L321 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-02-15 19:56:37,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1755 treesize of output 1519 [2023-02-15 19:56:37,787 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,787 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,792 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:37,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,801 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 267 treesize of output 1 [2023-02-15 19:56:37,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,815 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 1 [2023-02-15 19:56:37,823 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,831 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 1 [2023-02-15 19:56:37,837 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,844 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 1 [2023-02-15 19:56:37,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,853 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,859 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:37,865 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,866 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,871 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 1 [2023-02-15 19:56:37,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,885 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 279 treesize of output 1 [2023-02-15 19:56:37,889 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,895 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 1 [2023-02-15 19:56:37,903 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,909 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 70 [2023-02-15 19:56:37,917 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,918 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,928 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,934 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 378 treesize of output 1 [2023-02-15 19:56:37,939 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,947 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 402 treesize of output 1 [2023-02-15 19:56:37,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,962 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,969 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 378 treesize of output 1 [2023-02-15 19:56:37,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:37,981 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 402 treesize of output 1 [2023-02-15 19:56:37,987 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:37,996 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:37,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 581 treesize of output 1 [2023-02-15 19:56:38,001 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,012 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:38,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 378 treesize of output 1 [2023-02-15 19:56:38,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,027 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 19:56:38,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 141 [2023-02-15 19:56:38,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,045 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:38,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-02-15 19:56:38,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:38,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,094 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,132 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:38,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,155 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:38,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,167 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2023-02-15 19:56:38,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,187 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:38,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,202 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,222 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,232 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-02-15 19:56:38,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,241 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,253 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:38,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2023-02-15 19:56:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 19:56:38,263 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-15 19:56:39,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452029754] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:56:39,006 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 19:56:39,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 20, 20] total 45 [2023-02-15 19:56:39,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15197978] [2023-02-15 19:56:39,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 19:56:39,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-02-15 19:56:39,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:39,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-02-15 19:56:39,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1759, Unknown=0, NotChecked=0, Total=1980 [2023-02-15 19:56:39,009 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 45 states, 45 states have (on average 1.6) internal successors, (72), 45 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:46,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:46,267 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2023-02-15 19:56:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-02-15 19:56:46,268 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.6) internal successors, (72), 45 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-02-15 19:56:46,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:46,269 INFO L225 Difference]: With dead ends: 105 [2023-02-15 19:56:46,269 INFO L226 Difference]: Without dead ends: 92 [2023-02-15 19:56:46,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1736 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=1371, Invalid=7371, Unknown=0, NotChecked=0, Total=8742 [2023-02-15 19:56:46,271 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 331 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:46,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 250 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-15 19:56:46,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-02-15 19:56:46,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 54. [2023-02-15 19:56:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.1132075471698113) internal successors, (59), 53 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2023-02-15 19:56:46,299 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 35 [2023-02-15 19:56:46,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:46,299 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2023-02-15 19:56:46,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.6) internal successors, (72), 45 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2023-02-15 19:56:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-15 19:56:46,300 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:46,300 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:46,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 19:56:46,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:46,502 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:46,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:46,502 INFO L85 PathProgramCache]: Analyzing trace with hash -891416107, now seen corresponding path program 3 times [2023-02-15 19:56:46,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:46,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983160003] [2023-02-15 19:56:46,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:46,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-02-15 19:56:46,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:46,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983160003] [2023-02-15 19:56:46,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983160003] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:56:46,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:56:46,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-02-15 19:56:46,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972743340] [2023-02-15 19:56:46,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:56:46,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-15 19:56:46,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:56:46,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-15 19:56:46,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-02-15 19:56:46,691 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:46,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:56:46,864 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2023-02-15 19:56:46,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-15 19:56:46,864 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-02-15 19:56:46,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:56:46,865 INFO L225 Difference]: With dead ends: 79 [2023-02-15 19:56:46,865 INFO L226 Difference]: Without dead ends: 57 [2023-02-15 19:56:46,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2023-02-15 19:56:46,866 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 88 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 19:56:46,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 28 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:56:46,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-15 19:56:46,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 42. [2023-02-15 19:56:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.048780487804878) internal successors, (43), 41 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2023-02-15 19:56:46,896 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 35 [2023-02-15 19:56:46,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:56:46,896 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2023-02-15 19:56:46,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:56:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2023-02-15 19:56:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-02-15 19:56:46,900 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:56:46,900 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:56:46,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-15 19:56:46,900 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:56:46,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:56:46,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1950301565, now seen corresponding path program 4 times [2023-02-15 19:56:46,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:56:46,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045031965] [2023-02-15 19:56:46,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:56:46,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:56:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:56:49,115 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 19:56:49,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:56:49,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045031965] [2023-02-15 19:56:49,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045031965] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 19:56:49,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566424827] [2023-02-15 19:56:49,116 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 19:56:49,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:56:49,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:56:49,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:56:49,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 19:56:49,201 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 19:56:49,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 19:56:49,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 68 conjunts are in the unsatisfiable core [2023-02-15 19:56:49,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:56:49,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 19:56:49,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2023-02-15 19:56:49,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-02-15 19:56:49,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2023-02-15 19:56:49,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2023-02-15 19:56:50,505 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:50,505 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 19:56:50,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2023-02-15 19:56:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-15 19:56:50,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:56:51,545 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 19:56:51,545 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 4358 treesize of output 4094