./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 791161d1 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-?-791161d [2022-07-22 15:06:22,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 15:06:22,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 15:06:22,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 15:06:22,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 15:06:22,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 15:06:22,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 15:06:22,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 15:06:22,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 15:06:22,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 15:06:22,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 15:06:22,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 15:06:22,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 15:06:22,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 15:06:22,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 15:06:22,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 15:06:22,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 15:06:22,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 15:06:22,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 15:06:22,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 15:06:22,357 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 15:06:22,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 15:06:22,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 15:06:22,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 15:06:22,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 15:06:22,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 15:06:22,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 15:06:22,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 15:06:22,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 15:06:22,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 15:06:22,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 15:06:22,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 15:06:22,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 15:06:22,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 15:06:22,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 15:06:22,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 15:06:22,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 15:06:22,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 15:06:22,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 15:06:22,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 15:06:22,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 15:06:22,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 15:06:22,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 15:06:22,419 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 15:06:22,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 15:06:22,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 15:06:22,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 15:06:22,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 15:06:22,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 15:06:22,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 15:06:22,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 15:06:22,423 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 15:06:22,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 15:06:22,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 15:06:22,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 15:06:22,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 15:06:22,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 15:06:22,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 15:06:22,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 15:06:22,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 15:06:22,425 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 15:06:22,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 15:06:22,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 15:06:22,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 15:06:22,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 15:06:22,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 15:06:22,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 15:06:22,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 15:06:22,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 15:06:22,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 15:06:22,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 15:06:22,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 15:06:22,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 15:06:22,429 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 15:06:22,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 15:06:22,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 15:06:22,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2022-07-22 15:06:22,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 15:06:22,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 15:06:22,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 15:06:22,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 15:06:22,688 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 15:06:22,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-3.c [2022-07-22 15:06:22,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098d9f2de/77daa0e883be4b608dc7ef9796b64bad/FLAG597e2a017 [2022-07-22 15:06:23,103 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 15:06:23,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2022-07-22 15:06:23,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098d9f2de/77daa0e883be4b608dc7ef9796b64bad/FLAG597e2a017 [2022-07-22 15:06:23,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098d9f2de/77daa0e883be4b608dc7ef9796b64bad [2022-07-22 15:06:23,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 15:06:23,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 15:06:23,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 15:06:23,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 15:06:23,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 15:06:23,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a442fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23, skipping insertion in model container [2022-07-22 15:06:23,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 15:06:23,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 15:06:23,246 WARN L230 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] [2022-07-22 15:06:23,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 15:06:23,277 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 15:06:23,288 WARN L230 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] [2022-07-22 15:06:23,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 15:06:23,316 INFO L208 MainTranslator]: Completed translation [2022-07-22 15:06:23,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23 WrapperNode [2022-07-22 15:06:23,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 15:06:23,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 15:06:23,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 15:06:23,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 15:06:23,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,360 INFO L137 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-07-22 15:06:23,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 15:06:23,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 15:06:23,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 15:06:23,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 15:06:23,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 15:06:23,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 15:06:23,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 15:06:23,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 15:06:23,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (1/1) ... [2022-07-22 15:06:23,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 15:06:23,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:06:23,431 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) [2022-07-22 15:06:23,433 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 [2022-07-22 15:06:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 15:06:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 15:06:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 15:06:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 15:06:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 15:06:23,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 15:06:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 15:06:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 15:06:23,509 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 15:06:23,510 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 15:06:23,601 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 15:06:23,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 15:06:23,605 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 15:06:23,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:06:23 BoogieIcfgContainer [2022-07-22 15:06:23,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 15:06:23,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 15:06:23,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 15:06:23,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 15:06:23,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 03:06:23" (1/3) ... [2022-07-22 15:06:23,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320ffb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 03:06:23, skipping insertion in model container [2022-07-22 15:06:23,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:06:23" (2/3) ... [2022-07-22 15:06:23,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320ffb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 03:06:23, skipping insertion in model container [2022-07-22 15:06:23,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:06:23" (3/3) ... [2022-07-22 15:06:23,649 INFO L111 eAbstractionObserver]: Analyzing ICFG invert_string-3.c [2022-07-22 15:06:23,658 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 15:06:23,658 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 15:06:23,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 15:06:23,691 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6f5989a3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@508faf42 [2022-07-22 15:06:23,691 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 15:06:23,693 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) [2022-07-22 15:06:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-22 15:06:23,697 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:06:23,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:06:23,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:06:23,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:06:23,701 INFO L85 PathProgramCache]: Analyzing trace with hash -2016449835, now seen corresponding path program 1 times [2022-07-22 15:06:23,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:06:23,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719772811] [2022-07-22 15:06:23,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:23,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:06:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 15:06:24,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:06:24,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719772811] [2022-07-22 15:06:24,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719772811] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 15:06:24,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 15:06:24,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 15:06:24,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577846595] [2022-07-22 15:06:24,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 15:06:24,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 15:06:24,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:06:24,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 15:06:24,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 15:06:24,054 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) [2022-07-22 15:06:24,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:06:24,116 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2022-07-22 15:06:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 15:06:24,123 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 [2022-07-22 15:06:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:06:24,129 INFO L225 Difference]: With dead ends: 34 [2022-07-22 15:06:24,130 INFO L226 Difference]: Without dead ends: 16 [2022-07-22 15:06:24,132 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 [2022-07-22 15:06:24,137 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 19 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 15:06:24,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 15:06:24,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-07-22 15:06:24,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-07-22 15:06:24,167 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) [2022-07-22 15:06:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-07-22 15:06:24,169 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 9 [2022-07-22 15:06:24,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:06:24,169 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-22 15:06:24,170 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) [2022-07-22 15:06:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-07-22 15:06:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-22 15:06:24,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:06:24,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:06:24,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 15:06:24,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:06:24,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:06:24,174 INFO L85 PathProgramCache]: Analyzing trace with hash 867342291, now seen corresponding path program 1 times [2022-07-22 15:06:24,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:06:24,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254870846] [2022-07-22 15:06:24,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:24,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:06:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 15:06:24,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:06:24,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254870846] [2022-07-22 15:06:24,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254870846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 15:06:24,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 15:06:24,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 15:06:24,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733248680] [2022-07-22 15:06:24,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 15:06:24,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 15:06:24,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:06:24,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 15:06:24,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 15:06:24,294 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) [2022-07-22 15:06:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:06:24,328 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-07-22 15:06:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 15:06:24,329 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 [2022-07-22 15:06:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:06:24,330 INFO L225 Difference]: With dead ends: 28 [2022-07-22 15:06:24,330 INFO L226 Difference]: Without dead ends: 17 [2022-07-22 15:06:24,333 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 [2022-07-22 15:06:24,334 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 [2022-07-22 15:06:24,335 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] [2022-07-22 15:06:24,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-07-22 15:06:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-07-22 15:06:24,340 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) [2022-07-22 15:06:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-07-22 15:06:24,341 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2022-07-22 15:06:24,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:06:24,342 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-07-22 15:06:24,342 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) [2022-07-22 15:06:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-07-22 15:06:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-22 15:06:24,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:06:24,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:06:24,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 15:06:24,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:06:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:06:24,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2031054225, now seen corresponding path program 1 times [2022-07-22 15:06:24,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:06:24,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407251019] [2022-07-22 15:06:24,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:24,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:06:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 15:06:24,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:06:24,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407251019] [2022-07-22 15:06:24,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407251019] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 15:06:24,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047086471] [2022-07-22 15:06:24,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:24,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:06:24,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:06:24,468 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) [2022-07-22 15:06:24,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 15:06:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:24,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 34 conjunts are in the unsatisfiable core [2022-07-22 15:06:24,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 15:06:24,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:24,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:24,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:24,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:24,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:24,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:24,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:24,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 20 [2022-07-22 15:06:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 15:06:24,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 15:06:25,132 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-22 15:06:25,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 15:06:25,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047086471] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 15:06:25,135 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 15:06:25,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 8] total 17 [2022-07-22 15:06:25,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474216633] [2022-07-22 15:06:25,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 15:06:25,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-22 15:06:25,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:06:25,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-22 15:06:25,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-07-22 15:06:25,140 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 17 states, 17 states have (on average 2.0) internal successors, (34), 17 states have internal predecessors, (34), 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) [2022-07-22 15:06:25,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:06:25,678 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2022-07-22 15:06:25,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-22 15:06:25,679 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0) internal successors, (34), 17 states have internal predecessors, (34), 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 [2022-07-22 15:06:25,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:06:25,679 INFO L225 Difference]: With dead ends: 50 [2022-07-22 15:06:25,679 INFO L226 Difference]: Without dead ends: 39 [2022-07-22 15:06:25,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=205, Invalid=607, Unknown=0, NotChecked=0, Total=812 [2022-07-22 15:06:25,680 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 52 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 15:06:25,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 70 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 15:06:25,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-07-22 15:06:25,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 23. [2022-07-22 15:06:25,686 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) [2022-07-22 15:06:25,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-07-22 15:06:25,686 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2022-07-22 15:06:25,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:06:25,686 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-07-22 15:06:25,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0) internal successors, (34), 17 states have internal predecessors, (34), 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) [2022-07-22 15:06:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-07-22 15:06:25,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-22 15:06:25,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:06:25,687 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:06:25,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 15:06:25,899 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 [2022-07-22 15:06:25,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:06:25,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:06:25,900 INFO L85 PathProgramCache]: Analyzing trace with hash -799235507, now seen corresponding path program 2 times [2022-07-22 15:06:25,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:06:25,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880086256] [2022-07-22 15:06:25,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:25,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:06:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 15:06:26,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:06:26,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880086256] [2022-07-22 15:06:26,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880086256] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 15:06:26,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142754354] [2022-07-22 15:06:26,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 15:06:26,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:06:26,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:06:26,098 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) [2022-07-22 15:06:26,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 15:06:26,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 15:06:26,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 15:06:26,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 33 conjunts are in the unsatisfiable core [2022-07-22 15:06:26,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 15:06:26,151 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:26,477 INFO L356 Elim1Store]: treesize reduction 15, result has 16.7 percent of original size [2022-07-22 15:06:26,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 15:06:26,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 15:06:26,661 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:06:26,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:26,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 30 [2022-07-22 15:06:26,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 17 [2022-07-22 15:06:26,701 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 30 [2022-07-22 15:06:26,705 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-22 15:06:26,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:26,715 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:06:26,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 51 treesize of output 42 [2022-07-22 15:06:26,724 INFO L356 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-07-22 15:06:26,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 51 treesize of output 1 [2022-07-22 15:06:26,728 INFO L356 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-07-22 15:06:26,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 1 [2022-07-22 15:06:26,733 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:26,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 1 [2022-07-22 15:06:26,741 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:06:26,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,773 INFO L356 Elim1Store]: treesize reduction 27, result has 34.1 percent of original size [2022-07-22 15:06:26,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 45 [2022-07-22 15:06:26,782 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-07-22 15:06:26,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 45 treesize of output 1 [2022-07-22 15:06:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:26,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:26,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:26,801 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-22 15:06:26,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 15:06:26,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142754354] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 15:06:26,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 15:06:26,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 10] total 23 [2022-07-22 15:06:26,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329255827] [2022-07-22 15:06:26,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 15:06:26,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-22 15:06:26,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:06:26,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-22 15:06:26,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2022-07-22 15:06:26,928 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 23 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 states have internal predecessors, (40), 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) [2022-07-22 15:06:28,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:06:28,023 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2022-07-22 15:06:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-22 15:06:28,023 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 states have internal predecessors, (40), 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 [2022-07-22 15:06:28,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:06:28,024 INFO L225 Difference]: With dead ends: 54 [2022-07-22 15:06:28,024 INFO L226 Difference]: Without dead ends: 44 [2022-07-22 15:06:28,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=354, Invalid=1368, Unknown=0, NotChecked=0, Total=1722 [2022-07-22 15:06:28,025 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 99 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 15:06:28,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 75 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 15:06:28,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-22 15:06:28,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 29. [2022-07-22 15:06:28,030 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) [2022-07-22 15:06:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-07-22 15:06:28,031 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 17 [2022-07-22 15:06:28,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:06:28,031 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-07-22 15:06:28,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 states have internal predecessors, (40), 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) [2022-07-22 15:06:28,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-07-22 15:06:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 15:06:28,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:06:28,032 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:06:28,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 15:06:28,249 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 [2022-07-22 15:06:28,249 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:06:28,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:06:28,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1667973471, now seen corresponding path program 1 times [2022-07-22 15:06:28,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:06:28,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658415328] [2022-07-22 15:06:28,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:28,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:06:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 15:06:28,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:06:28,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658415328] [2022-07-22 15:06:28,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658415328] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 15:06:28,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436376267] [2022-07-22 15:06:28,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:28,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:06:28,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:06:28,371 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) [2022-07-22 15:06:28,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 15:06:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:28,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 44 conjunts are in the unsatisfiable core [2022-07-22 15:06:28,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 15:06:28,425 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:28,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:28,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:28,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:28,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:28,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:28,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 15:06:28,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 15:06:29,341 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:06:29,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 460 treesize of output 428 [2022-07-22 15:06:29,887 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-07-22 15:06:29,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 28 [2022-07-22 15:06:29,890 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 236 treesize of output 218 [2022-07-22 15:06:29,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,915 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 236 treesize of output 218 [2022-07-22 15:06:29,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:29,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:29,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:29,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:30,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:30,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:30,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 205 treesize of output 187 [2022-07-22 15:06:30,033 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:06:30,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 108 [2022-07-22 15:06:30,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,059 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:06:30,060 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 221 treesize of output 199 [2022-07-22 15:06:30,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2022-07-22 15:06:30,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:30,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,106 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:06:30,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,116 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 89 treesize of output 1 [2022-07-22 15:06:30,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,127 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 233 treesize of output 1 [2022-07-22 15:06:30,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,136 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:06:30,145 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 221 treesize of output 1 [2022-07-22 15:06:30,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:30,163 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 96 [2022-07-22 15:06:30,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,180 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 1 [2022-07-22 15:06:30,193 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 105 treesize of output 92 [2022-07-22 15:06:30,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:30,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:30,232 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:30,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 221 treesize of output 1 [2022-07-22 15:06:30,266 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:06:30,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 460 treesize of output 428 [2022-07-22 15:06:31,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 436 treesize of output 400 [2022-07-22 15:06:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 105 treesize of output 96 [2022-07-22 15:06:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,213 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 105 treesize of output 92 [2022-07-22 15:06:31,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,241 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:06:31,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 233 treesize of output 199 [2022-07-22 15:06:31,262 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 221 treesize of output 1 [2022-07-22 15:06:31,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,272 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 233 treesize of output 1 [2022-07-22 15:06:31,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,282 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 233 treesize of output 1 [2022-07-22 15:06:31,295 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 221 treesize of output 1 [2022-07-22 15:06:31,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,306 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 233 treesize of output 1 [2022-07-22 15:06:31,317 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,318 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 96 [2022-07-22 15:06:31,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,338 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:06:31,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 108 [2022-07-22 15:06:31,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:31,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,370 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:06:31,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2022-07-22 15:06:31,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:31,397 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:31,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:06:31,827 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 15:06:31,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436376267] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 15:06:31,827 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 15:06:31,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 33 [2022-07-22 15:06:31,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739324398] [2022-07-22 15:06:31,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 15:06:31,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-07-22 15:06:31,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:06:31,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-07-22 15:06:31,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=908, Unknown=0, NotChecked=0, Total=1056 [2022-07-22 15:06:31,829 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 33 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 33 states have internal predecessors, (57), 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) [2022-07-22 15:06:33,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:06:33,750 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-07-22 15:06:33,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-22 15:06:33,750 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 33 states have internal predecessors, (57), 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 [2022-07-22 15:06:33,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:06:33,751 INFO L225 Difference]: With dead ends: 65 [2022-07-22 15:06:33,751 INFO L226 Difference]: Without dead ends: 56 [2022-07-22 15:06:33,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=396, Invalid=2256, Unknown=0, NotChecked=0, Total=2652 [2022-07-22 15:06:33,752 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 67 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 15:06:33,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 72 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 298 Invalid, 0 Unknown, 61 Unchecked, 0.3s Time] [2022-07-22 15:06:33,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-07-22 15:06:33,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 38. [2022-07-22 15:06:33,759 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) [2022-07-22 15:06:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-07-22 15:06:33,760 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 23 [2022-07-22 15:06:33,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:06:33,760 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-07-22 15:06:33,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 33 states have internal predecessors, (57), 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) [2022-07-22 15:06:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-07-22 15:06:33,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 15:06:33,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:06:33,761 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:06:33,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 15:06:33,998 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 [2022-07-22 15:06:33,998 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:06:33,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:06:33,999 INFO L85 PathProgramCache]: Analyzing trace with hash 492484807, now seen corresponding path program 3 times [2022-07-22 15:06:33,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:06:33,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977674810] [2022-07-22 15:06:33,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:33,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:06:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 15:06:34,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:06:34,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977674810] [2022-07-22 15:06:34,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977674810] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 15:06:34,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673441836] [2022-07-22 15:06:34,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 15:06:34,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:06:34,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:06:34,092 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) [2022-07-22 15:06:34,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 15:06:34,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-22 15:06:34,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 15:06:34,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 15:06:34,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 15:06:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 15:06:34,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 15:06:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 15:06:34,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673441836] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 15:06:34,247 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 15:06:34,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-07-22 15:06:34,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402654429] [2022-07-22 15:06:34,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 15:06:34,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 15:06:34,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:06:34,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 15:06:34,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-07-22 15:06:34,249 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2022-07-22 15:06:34,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:06:34,307 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2022-07-22 15:06:34,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 15:06:34,307 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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 23 [2022-07-22 15:06:34,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:06:34,307 INFO L225 Difference]: With dead ends: 75 [2022-07-22 15:06:34,308 INFO L226 Difference]: Without dead ends: 44 [2022-07-22 15:06:34,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-07-22 15:06:34,308 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 15:06:34,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 34 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 15:06:34,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-22 15:06:34,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-07-22 15:06:34,316 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) [2022-07-22 15:06:34,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-07-22 15:06:34,316 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 23 [2022-07-22 15:06:34,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:06:34,317 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-07-22 15:06:34,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2022-07-22 15:06:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-07-22 15:06:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-22 15:06:34,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:06:34,317 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:06:34,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 15:06:34,530 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 [2022-07-22 15:06:34,531 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:06:34,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:06:34,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2015456385, now seen corresponding path program 4 times [2022-07-22 15:06:34,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:06:34,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571601726] [2022-07-22 15:06:34,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:34,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:06:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 15:06:35,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:06:35,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571601726] [2022-07-22 15:06:35,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571601726] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 15:06:35,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159503425] [2022-07-22 15:06:35,220 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 15:06:35,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:06:35,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:06:35,223 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) [2022-07-22 15:06:35,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 15:06:35,292 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 15:06:35,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 15:06:35,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 46 conjunts are in the unsatisfiable core [2022-07-22 15:06:35,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 15:06:35,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:35,773 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:35,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:35,979 INFO L356 Elim1Store]: treesize reduction 15, result has 16.7 percent of original size [2022-07-22 15:06:35,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 15:06:36,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 15:06:36,164 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:06:36,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:36,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:36,191 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:06:36,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 51 treesize of output 42 [2022-07-22 15:06:36,198 INFO L356 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-07-22 15:06:36,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 51 treesize of output 1 [2022-07-22 15:06:36,218 INFO L356 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-07-22 15:06:36,218 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 1 [2022-07-22 15:06:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:36,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:36,231 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-22 15:06:36,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:36,237 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:06:36,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:36,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:36,258 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:36,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:36,266 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-22 15:06:36,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:36,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:36,275 INFO L356 Elim1Store]: treesize reduction 5, result has 68.8 percent of original size [2022-07-22 15:06:36,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 39 [2022-07-22 15:06:36,281 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-07-22 15:06:36,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 45 treesize of output 1 [2022-07-22 15:06:36,286 INFO L356 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-07-22 15:06:36,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 48 treesize of output 1 [2022-07-22 15:06:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 15:06:36,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159503425] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 15:06:36,601 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 15:06:36,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 16] total 46 [2022-07-22 15:06:36,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27465998] [2022-07-22 15:06:36,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 15:06:36,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-07-22 15:06:36,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:06:36,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-07-22 15:06:36,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1775, Unknown=0, NotChecked=0, Total=2070 [2022-07-22 15:06:36,604 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 46 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 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) [2022-07-22 15:06:43,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:06:43,926 INFO L93 Difference]: Finished difference Result 166 states and 175 transitions. [2022-07-22 15:06:43,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-07-22 15:06:43,927 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 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 [2022-07-22 15:06:43,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:06:43,928 INFO L225 Difference]: With dead ends: 166 [2022-07-22 15:06:43,928 INFO L226 Difference]: Without dead ends: 164 [2022-07-22 15:06:43,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3988 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=2422, Invalid=12830, Unknown=0, NotChecked=0, Total=15252 [2022-07-22 15:06:43,934 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 445 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 15:06:43,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 512 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 15:06:43,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-07-22 15:06:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 41. [2022-07-22 15:06:43,963 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) [2022-07-22 15:06:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-07-22 15:06:43,965 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 29 [2022-07-22 15:06:43,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:06:43,966 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-07-22 15:06:43,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 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) [2022-07-22 15:06:43,966 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-07-22 15:06:43,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-22 15:06:43,967 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:06:43,967 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:06:43,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 15:06:44,186 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 [2022-07-22 15:06:44,187 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:06:44,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:06:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1871551151, now seen corresponding path program 2 times [2022-07-22 15:06:44,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:06:44,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614346613] [2022-07-22 15:06:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:06:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:06:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:06:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-22 15:06:44,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:06:44,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614346613] [2022-07-22 15:06:44,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614346613] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 15:06:44,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493196494] [2022-07-22 15:06:44,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 15:06:44,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:06:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:06:44,363 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) [2022-07-22 15:06:44,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 15:06:44,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 15:06:44,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 15:06:44,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 54 conjunts are in the unsatisfiable core [2022-07-22 15:06:44,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 15:06:44,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:44,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:44,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:44,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:45,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:45,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:06:45,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:06:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 15:06:45,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 15:06:53,375 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 15:06:56,997 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:06:56,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 486 treesize of output 458 [2022-07-22 15:06:57,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:57,401 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:57,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3031 treesize of output 2731 [2022-07-22 15:06:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:06:57,763 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:06:57,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2191 treesize of output 1943 [2022-07-22 15:06:57,991 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:06:57,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2983 treesize of output 2743 [2022-07-22 15:07:00,247 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:00,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2983 treesize of output 1 [2022-07-22 15:07:00,258 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:00,259 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1856 treesize of output 1752 [2022-07-22 15:07:00,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:00,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 201 treesize of output 183 [2022-07-22 15:07:00,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:00,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:00,771 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:07:00,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2143 treesize of output 1960 [2022-07-22 15:07:01,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:01,911 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:01,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 105 treesize of output 92 [2022-07-22 15:07:01,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:01,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:01,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:01,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:01,935 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:07:01,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 113 [2022-07-22 15:07:01,960 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:01,960 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1128 treesize of output 980 [2022-07-22 15:07:02,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:02,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:02,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:02,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:02,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:02,083 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:07:02,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2143 treesize of output 1955 [2022-07-22 15:07:03,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,152 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:07:03,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 108 [2022-07-22 15:07:03,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,179 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 1 [2022-07-22 15:07:03,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,190 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 456 treesize of output 1 [2022-07-22 15:07:03,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,206 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:07:03,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,236 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3031 treesize of output 1 [2022-07-22 15:07:03,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,253 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,253 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 233 treesize of output 1 [2022-07-22 15:07:03,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,276 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:07:03,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,291 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 480 treesize of output 1 [2022-07-22 15:07:03,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,305 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:07:03,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,320 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:07:03,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,333 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:03,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:07:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 81 treesize of output 63 [2022-07-22 15:07:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,498 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,506 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:07:03,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:03,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:03,573 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:07:03,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 486 treesize of output 458 [2022-07-22 15:07:04,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:04,916 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:04,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6016 treesize of output 5416 [2022-07-22 15:07:16,579 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:16,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3667 treesize of output 3459 [2022-07-22 15:07:16,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:16,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 201 treesize of output 183 [2022-07-22 15:07:16,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:16,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:16,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:16,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:16,770 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:07:16,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2350 treesize of output 1975 [2022-07-22 15:07:17,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:17,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:07:17,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:17,811 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:07:17,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:07:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:07:17,827 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:07:17,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6016 treesize of output 5428 [2022-07-22 15:08:25,544 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:25,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3945 treesize of output 3545 [2022-07-22 15:08:29,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:29,700 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:29,701 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 254 treesize of output 212 [2022-07-22 15:08:29,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:29,730 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:08:29,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4041 treesize of output 3557 [2022-07-22 15:08:35,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,524 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:08:35,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 278 treesize of output 224 [2022-07-22 15:08:35,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,561 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:35,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:35,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,573 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:35,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 147 treesize of output 1 [2022-07-22 15:08:35,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,583 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:35,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:35,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,608 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:35,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 147 treesize of output 1 [2022-07-22 15:08:35,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,620 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:35,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:35,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:35,653 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-22 15:08:35,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6016 treesize of output 5428 [2022-07-22 15:08:39,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:39,229 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:39,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6016 treesize of output 1 [2022-07-22 15:08:39,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:39,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:39,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:39,240 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:39,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:08:39,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:39,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:39,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:39,248 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:39,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:39,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:39,259 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:08:39,264 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 2350 treesize of output 1975 [2022-07-22 15:08:45,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,229 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,256 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 6016 treesize of output 1 [2022-07-22 15:08:45,273 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,274 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 3667 treesize of output 3459 [2022-07-22 15:08:45,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 238 treesize of output 220 [2022-07-22 15:08:45,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,470 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:08:45,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,484 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 492 treesize of output 1 [2022-07-22 15:08:45,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,517 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:08:45,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,533 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,533 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 480 treesize of output 1 [2022-07-22 15:08:45,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,545 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:08:45,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,558 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,573 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 725 treesize of output 1 [2022-07-22 15:08:45,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,586 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,587 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 147 treesize of output 1 [2022-07-22 15:08:45,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,596 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,621 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 147 treesize of output 1 [2022-07-22 15:08:45,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,633 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,662 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 743 treesize of output 1 [2022-07-22 15:08:45,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,674 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 492 treesize of output 1 [2022-07-22 15:08:45,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,693 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 147 treesize of output 1 [2022-07-22 15:08:45,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,707 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:08:45,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,718 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,718 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,729 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 55 treesize of output 1 [2022-07-22 15:08:45,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,740 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,752 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,768 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 147 treesize of output 1 [2022-07-22 15:08:45,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,780 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,805 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 147 treesize of output 1 [2022-07-22 15:08:45,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,816 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-22 15:08:45,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 101 treesize of output 1 [2022-07-22 15:08:45,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:45,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 123 treesize of output 96 [2022-07-22 15:08:45,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:45,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:45,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:45,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:45,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:45,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:45,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:45,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:08:46,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 15:08:46,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:46,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:08:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 15:08:47,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493196494] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 15:08:47,298 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 15:08:47,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 19, 19] total 42 [2022-07-22 15:08:47,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530673515] [2022-07-22 15:08:47,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 15:08:47,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-07-22 15:08:47,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:08:47,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-07-22 15:08:47,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1523, Unknown=1, NotChecked=0, Total=1722 [2022-07-22 15:08:47,300 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 42 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 42 states have internal predecessors, (71), 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) [2022-07-22 15:08:57,626 WARN L233 SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 125 DAG size of output: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 15:09:07,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:09:07,398 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2022-07-22 15:09:07,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-22 15:09:07,398 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 42 states have internal predecessors, (71), 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 [2022-07-22 15:09:07,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:09:07,399 INFO L225 Difference]: With dead ends: 82 [2022-07-22 15:09:07,399 INFO L226 Difference]: Without dead ends: 69 [2022-07-22 15:09:07,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 840 ImplicationChecksByTransitivity, 32.3s TimeCoverageRelationStatistics Valid=487, Invalid=3542, Unknown=3, NotChecked=0, Total=4032 [2022-07-22 15:09:07,401 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 75 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 98 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 15:09:07,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 96 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 396 Invalid, 0 Unknown, 98 Unchecked, 0.3s Time] [2022-07-22 15:09:07,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-07-22 15:09:07,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2022-07-22 15:09:07,418 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) [2022-07-22 15:09:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2022-07-22 15:09:07,418 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 35 [2022-07-22 15:09:07,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:09:07,418 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2022-07-22 15:09:07,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 42 states have internal predecessors, (71), 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) [2022-07-22 15:09:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-07-22 15:09:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-22 15:09:07,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:09:07,419 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:09:07,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 15:09:07,625 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 [2022-07-22 15:09:07,626 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:09:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:09:07,627 INFO L85 PathProgramCache]: Analyzing trace with hash -891416107, now seen corresponding path program 3 times [2022-07-22 15:09:07,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:09:07,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234343411] [2022-07-22 15:09:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:09:07,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:09:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:09:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-22 15:09:07,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:09:07,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234343411] [2022-07-22 15:09:07,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234343411] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 15:09:07,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168370846] [2022-07-22 15:09:07,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 15:09:07,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:09:07,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:09:07,794 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) [2022-07-22 15:09:07,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 15:09:07,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-07-22 15:09:08,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 15:09:08,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-22 15:09:08,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 15:09:08,143 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 32 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 15:09:08,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 15:09:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-22 15:09:08,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168370846] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 15:09:08,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-22 15:09:08,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 14] total 22 [2022-07-22 15:09:08,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470224882] [2022-07-22 15:09:08,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 15:09:08,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 15:09:08,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 15:09:08,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 15:09:08,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2022-07-22 15:09:08,207 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) [2022-07-22 15:09:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 15:09:08,333 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2022-07-22 15:09:08,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 15:09:08,333 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 [2022-07-22 15:09:08,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 15:09:08,334 INFO L225 Difference]: With dead ends: 79 [2022-07-22 15:09:08,334 INFO L226 Difference]: Without dead ends: 57 [2022-07-22 15:09:08,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=555, Unknown=0, NotChecked=0, Total=756 [2022-07-22 15:09:08,335 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 67 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 15:09:08,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 31 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 15:09:08,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-07-22 15:09:08,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 42. [2022-07-22 15:09:08,352 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) [2022-07-22 15:09:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2022-07-22 15:09:08,352 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 35 [2022-07-22 15:09:08,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 15:09:08,353 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2022-07-22 15:09:08,353 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) [2022-07-22 15:09:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2022-07-22 15:09:08,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-22 15:09:08,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 15:09:08,354 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 15:09:08,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 15:09:08,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:09:08,572 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 15:09:08,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 15:09:08,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1950301565, now seen corresponding path program 4 times [2022-07-22 15:09:08,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 15:09:08,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856090697] [2022-07-22 15:09:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 15:09:08,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 15:09:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 15:09:09,611 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 15:09:09,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 15:09:09,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856090697] [2022-07-22 15:09:09,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856090697] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 15:09:09,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528541109] [2022-07-22 15:09:09,612 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 15:09:09,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 15:09:09,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 15:09:09,613 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 15:09:09,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 15:09:09,714 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 15:09:09,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 15:09:09,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 75 conjunts are in the unsatisfiable core [2022-07-22 15:09:09,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 15:09:09,723 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:09:09,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:09:10,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 28 [2022-07-22 15:09:10,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 28 [2022-07-22 15:09:10,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 28 [2022-07-22 15:09:10,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:09:10,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 15:09:10,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-07-22 15:09:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-22 15:09:10,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 15:09:12,824 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 15:09:12,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9152 treesize of output 8616