./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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/uthash-2.0.2/uthash_FNV_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:05:58,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:05:58,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:05:58,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:05:58,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:05:58,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:05:58,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:05:58,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:05:58,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:05:58,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:05:58,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:05:58,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:05:58,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:05:58,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:05:58,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:05:58,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:05:58,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:05:58,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:05:58,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:05:58,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:05:58,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:05:58,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:05:58,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:05:58,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:05:58,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:05:58,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:05:58,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:05:58,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:05:58,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:05:58,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:05:58,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:05:58,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:05:58,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:05:58,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:05:58,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:05:58,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:05:58,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:05:58,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:05:58,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:05:58,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:05:58,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:05:58,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:05:58,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:05:58,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:05:58,342 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:05:58,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:05:58,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:05:58,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:05:58,344 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:05:58,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:05:58,344 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:05:58,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:05:58,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:05:58,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:05:58,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:05:58,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:05:58,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:05:58,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:05:58,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:05:58,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:05:58,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:05:58,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:05:58,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:05:58,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:05:58,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:05:58,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:05:58,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:05:58,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:05:58,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:05:58,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:05:58,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:05:58,349 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:05:58,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:05:58,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:05:58,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2021-11-06 23:05:58,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:05:58,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:05:58,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:05:58,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:05:58,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:05:58,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2021-11-06 23:05:58,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d37f98d2/b5fcdea3c5154a238ffedf54b53d91c4/FLAGa21da0074 [2021-11-06 23:05:59,204 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:05:59,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2021-11-06 23:05:59,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d37f98d2/b5fcdea3c5154a238ffedf54b53d91c4/FLAGa21da0074 [2021-11-06 23:05:59,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d37f98d2/b5fcdea3c5154a238ffedf54b53d91c4 [2021-11-06 23:05:59,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:05:59,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:05:59,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:05:59,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:05:59,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:05:59,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:59" (1/1) ... [2021-11-06 23:05:59,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e90750f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:05:59, skipping insertion in model container [2021-11-06 23:05:59,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:05:59" (1/1) ... [2021-11-06 23:05:59,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:05:59,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:06:00,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2021-11-06 23:06:00,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2021-11-06 23:06:00,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:06:00,329 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:06:00,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[33021,33034] [2021-11-06 23:06:00,495 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i[84583,84596] [2021-11-06 23:06:00,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:06:00,538 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:06:00,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00 WrapperNode [2021-11-06 23:06:00,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:06:00,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:06:00,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:06:00,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:06:00,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:06:00,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:06:00,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:06:00,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:06:00,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:06:00,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:06:00,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:06:00,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:06:00,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (1/1) ... [2021-11-06 23:06:00,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:06:00,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:06:01,005 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) [2021-11-06 23:06:01,033 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 [2021-11-06 23:06:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:06:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:06:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:06:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:06:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:06:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:06:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:06:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:06:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:06:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:06:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:06:03,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:06:03,604 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-06 23:06:03,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:03 BoogieIcfgContainer [2021-11-06 23:06:03,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:06:03,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:06:03,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:06:03,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:06:03,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:05:59" (1/3) ... [2021-11-06 23:06:03,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184a6f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:06:03, skipping insertion in model container [2021-11-06 23:06:03,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:00" (2/3) ... [2021-11-06 23:06:03,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184a6f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:06:03, skipping insertion in model container [2021-11-06 23:06:03,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:03" (3/3) ... [2021-11-06 23:06:03,614 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-2.i [2021-11-06 23:06:03,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:06:03,619 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 23:06:03,662 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:06:03,667 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 23:06:03,667 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 23:06:03,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 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) [2021-11-06 23:06:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:06:03,732 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:03,732 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:03,733 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:03,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:03,737 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 23:06:03,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:03,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887352238] [2021-11-06 23:06:03,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:03,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:06:03,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:06:03,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887352238] [2021-11-06 23:06:03,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887352238] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:06:03,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:06:03,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:06:03,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877346385] [2021-11-06 23:06:03,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:06:03,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:06:03,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:06:03,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:06:03,880 INFO L87 Difference]: Start difference. First operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2021-11-06 23:06:03,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:06:03,975 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-06 23:06:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:06:03,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 [2021-11-06 23:06:03,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:06:04,002 INFO L225 Difference]: With dead ends: 4370 [2021-11-06 23:06:04,002 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 23:06:04,013 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:06:04,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 23:06:04,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 23:06:04,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 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) [2021-11-06 23:06:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 23:06:04,108 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 23:06:04,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:06:04,109 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 23:06:04,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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) [2021-11-06 23:06:04,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 23:06:04,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 23:06:04,111 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:04,111 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:04,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:06:04,111 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:04,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:04,112 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 23:06:04,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:04,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460893801] [2021-11-06 23:06:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:04,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:06:04,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:06:04,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460893801] [2021-11-06 23:06:04,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460893801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:06:04,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:06:04,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:06:04,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011265512] [2021-11-06 23:06:04,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:06:04,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:06:04,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:06:04,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:06:04,190 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-06 23:06:04,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:06:04,532 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 23:06:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:06:04,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2021-11-06 23:06:04,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:06:04,546 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 23:06:04,546 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 23:06:04,549 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:06:04,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 23:06:04,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 23:06:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 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) [2021-11-06 23:06:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 23:06:04,627 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 23:06:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:06:04,627 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 23:06:04,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-06 23:06:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 23:06:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:06:04,635 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:04,636 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:04,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:06:04,637 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:04,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:04,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 23:06:04,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:04,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207711860] [2021-11-06 23:06:04,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:04,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:04,680 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:06:04,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135777984] [2021-11-06 23:06:04,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:04,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:04,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:06:04,695 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) [2021-11-06 23:06:04,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 23:06:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:04,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:06:04,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:06:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:06:05,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:06:05,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207711860] [2021-11-06 23:06:05,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:06:05,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135777984] [2021-11-06 23:06:05,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135777984] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:06:05,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:06:05,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:06:05,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778407985] [2021-11-06 23:06:05,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:06:05,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:06:05,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:06:05,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:06:05,114 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-06 23:06:05,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:06:05,207 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 23:06:05,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:06:05,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-06 23:06:05,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:06:05,215 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 23:06:05,215 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 23:06:05,218 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:06:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 23:06:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 23:06:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 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) [2021-11-06 23:06:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 23:06:05,252 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 23:06:05,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:06:05,252 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 23:06:05,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-06 23:06:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 23:06:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:06:05,254 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:05,254 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:05,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 23:06:05,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:05,474 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:05,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:05,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 23:06:05,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:05,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932003986] [2021-11-06 23:06:05,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:05,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:05,494 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:06:05,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99350450] [2021-11-06 23:06:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:05,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:05,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:06:05,496 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) [2021-11-06 23:06:05,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 23:06:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:05,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:06:05,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:06:05,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:06:05,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:06:05,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932003986] [2021-11-06 23:06:05,965 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:06:05,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99350450] [2021-11-06 23:06:05,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99350450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:06:05,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:06:05,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:06:05,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775689433] [2021-11-06 23:06:05,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:06:05,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:06:05,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:06:05,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:06:05,967 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-06 23:06:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:06:06,085 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 23:06:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:06:06,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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 96 [2021-11-06 23:06:06,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:06:06,093 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 23:06:06,093 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 23:06:06,096 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:06:06,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 23:06:06,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 23:06:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 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) [2021-11-06 23:06:06,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 23:06:06,129 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 23:06:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:06:06,130 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 23:06:06,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2021-11-06 23:06:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 23:06:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:06:06,131 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:06,131 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:06,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 23:06:06,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 23:06:06,352 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:06,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:06,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 23:06:06,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:06,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948093208] [2021-11-06 23:06:06,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:06,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:06,368 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:06:06,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826610523] [2021-11-06 23:06:06,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:06,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:06,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:06:06,370 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) [2021-11-06 23:06:06,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 23:06:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:06,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:06:06,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:06:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:06:06,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:06:06,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948093208] [2021-11-06 23:06:06,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:06:06,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826610523] [2021-11-06 23:06:06,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826610523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:06:06,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:06:06,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:06:06,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092793661] [2021-11-06 23:06:06,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:06:06,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:06:06,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:06:06,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:06:06,827 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-06 23:06:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:06:06,932 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 23:06:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:06:06,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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 96 [2021-11-06 23:06:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:06:06,942 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 23:06:06,942 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 23:06:06,945 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:06:06,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 23:06:06,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 23:06:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 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) [2021-11-06 23:06:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 23:06:07,002 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 23:06:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:06:07,002 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 23:06:07,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-11-06 23:06:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 23:06:07,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:06:07,008 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:07,008 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:07,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 23:06:07,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:07,233 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:07,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:07,233 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 23:06:07,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:07,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005141600] [2021-11-06 23:06:07,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:07,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:07,256 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:06:07,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069608926] [2021-11-06 23:06:07,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:07,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:07,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:06:07,258 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) [2021-11-06 23:06:07,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 23:06:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:07,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:06:07,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:06:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:06:07,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:06:07,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005141600] [2021-11-06 23:06:07,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:06:07,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069608926] [2021-11-06 23:06:07,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069608926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:06:07,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:06:07,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:06:07,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214832158] [2021-11-06 23:06:07,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:06:07,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:06:07,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:06:07,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:06:07,667 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-06 23:06:07,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:06:07,769 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 23:06:07,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:06:07,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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 96 [2021-11-06 23:06:07,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:06:07,777 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 23:06:07,777 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 23:06:07,779 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:06:07,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 23:06:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 23:06:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 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) [2021-11-06 23:06:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 23:06:07,810 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 23:06:07,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:06:07,811 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 23:06:07,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2021-11-06 23:06:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 23:06:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:06:07,812 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:07,812 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:07,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 23:06:08,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:08,036 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:08,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:08,036 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 23:06:08,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:08,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650886345] [2021-11-06 23:06:08,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:08,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:08,049 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:06:08,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915650271] [2021-11-06 23:06:08,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:08,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:08,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:06:08,051 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) [2021-11-06 23:06:08,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 23:06:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:08,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:06:08,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:06:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:06:08,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:06:08,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650886345] [2021-11-06 23:06:08,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:06:08,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915650271] [2021-11-06 23:06:08,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915650271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:06:08,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:06:08,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:06:08,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150493008] [2021-11-06 23:06:08,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:06:08,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:06:08,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:06:08,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:06:08,624 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-06 23:06:08,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:06:08,720 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 23:06:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:06:08,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-11-06 23:06:08,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:06:08,735 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 23:06:08,735 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 23:06:08,740 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:06:08,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 23:06:08,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 23:06:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 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) [2021-11-06 23:06:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 23:06:08,810 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 23:06:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:06:08,811 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 23:06:08,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-06 23:06:08,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 23:06:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:06:08,812 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:08,812 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:08,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 23:06:09,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:09,037 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:09,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:09,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 23:06:09,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:09,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450365821] [2021-11-06 23:06:09,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:09,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:09,053 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:06:09,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902582158] [2021-11-06 23:06:09,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:09,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:09,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:06:09,055 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) [2021-11-06 23:06:09,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 23:06:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:09,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:06:09,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:06:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:06:09,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:06:09,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450365821] [2021-11-06 23:06:09,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:06:09,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902582158] [2021-11-06 23:06:09,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902582158] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:06:09,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:06:09,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:06:09,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503793445] [2021-11-06 23:06:09,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:06:09,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:06:09,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:06:09,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:06:09,549 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-06 23:06:09,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:06:09,741 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 23:06:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:06:09,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 103 [2021-11-06 23:06:09,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:06:09,749 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 23:06:09,749 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 23:06:09,753 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:06:09,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 23:06:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 23:06:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 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) [2021-11-06 23:06:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 23:06:09,815 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 23:06:09,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:06:09,815 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 23:06:09,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2021-11-06 23:06:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 23:06:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:06:09,816 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:06:09,817 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:06:09,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 23:06:10,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:10,040 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:06:10,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:06:10,040 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 23:06:10,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:06:10,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310929667] [2021-11-06 23:06:10,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:10,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:06:10,053 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:06:10,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222879626] [2021-11-06 23:06:10,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:06:10,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:06:10,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:06:10,055 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) [2021-11-06 23:06:10,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 23:06:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:06:10,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:06:10,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:06:10,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:06:10,390 INFO L388 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 6 treesize of output 5 [2021-11-06 23:06:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:10,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:06:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:10,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:06:11,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 23:06:11,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 23:06:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:06:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:06:11,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:06:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:06:11,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 23:06:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:11,708 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:06:11,708 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 23:06:13,461 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:06:13,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 23:06:13,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:14,941 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:06:14,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 23:06:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:20,262 WARN L207 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 23:06:20,263 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-06 23:06:20,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2271 [2021-11-06 23:06:20,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:20,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:06:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:06:21,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,402 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-06 23:06:21,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 949 treesize of output 443 [2021-11-06 23:06:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:21,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-11-06 23:06:22,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:22,894 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 23:06:22,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 206 treesize of output 133 [2021-11-06 23:06:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,383 WARN L207 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 446 DAG size of output: 127 [2021-11-06 23:06:28,384 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-06 23:06:28,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 93399 treesize of output 50289 [2021-11-06 23:06:28,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 23:06:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:28,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,034 INFO L244 Elim1Store]: Index analysis took 225 ms [2021-11-06 23:06:29,043 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-06 23:06:29,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1623 treesize of output 743 [2021-11-06 23:06:29,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:29,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:29,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:29,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,387 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-11-06 23:06:29,769 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-06 23:06:29,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 1909 treesize of output 1127 [2021-11-06 23:06:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,971 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-06 23:06:29,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 13 case distinctions, treesize of input 66163 treesize of output 52073 [2021-11-06 23:06:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:29,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:30,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:30,437 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 23:06:30,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 46447 treesize of output 45943 [2021-11-06 23:06:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:30,779 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 23:06:30,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 45937 treesize of output 45433 [2021-11-06 23:06:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,306 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-06 23:06:35,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 3804 treesize of output 3596 [2021-11-06 23:06:35,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:35,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:35,481 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 23:06:35,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1553 treesize of output 759 [2021-11-06 23:06:35,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,650 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:06:35,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 133 treesize of output 69 [2021-11-06 23:06:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,703 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:06:35,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 141 treesize of output 73 [2021-11-06 23:06:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:35,755 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:06:35,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1312 treesize of output 570 [2021-11-06 23:06:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:35,780 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:06:35,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1184 treesize of output 514 [2021-11-06 23:06:35,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:35,805 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:06:35,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1048 treesize of output 542 [2021-11-06 23:06:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:35,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:35,830 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:06:35,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 916 treesize of output 852 [2021-11-06 23:06:35,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:35,846 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:06:35,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 780 treesize of output 720 [2021-11-06 23:06:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 75 [2021-11-06 23:06:36,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,100 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:06:36,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 109 treesize of output 108 [2021-11-06 23:06:36,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,625 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-06 23:06:36,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-06 23:06:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:36,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,736 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-06 23:06:36,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-06 23:06:36,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:06:36,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:06:36,761 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-06 23:06:36,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-06 23:06:37,314 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-06 23:06:37,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-06 23:06:37,335 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-06 23:06:37,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 364 treesize of output 282 [2021-11-06 23:06:37,413 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 23:06:37,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 270 treesize of output 290 [2021-11-06 23:06:37,424 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:06:37,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-06 23:06:43,036 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 23:06:43,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-06 23:07:45,464 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 23:07:45,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 347 treesize of output 232 [2021-11-06 23:07:49,153 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 23:07:49,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 337 treesize of output 177 [2021-11-06 23:07:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:07:49,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:07:49,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310929667] [2021-11-06 23:07:49,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:07:49,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222879626] [2021-11-06 23:07:49,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222879626] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:07:49,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:07:49,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-06 23:07:49,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623994776] [2021-11-06 23:07:49,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 23:07:49,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:07:49,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 23:07:49,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-06 23:07:49,252 INFO L87 Difference]: Start difference. First operand 2211 states and 2747 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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) [2021-11-06 23:08:00,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:08:00,315 INFO L93 Difference]: Finished difference Result 4310 states and 5365 transitions. [2021-11-06 23:08:00,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-06 23:08:00,316 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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 110 [2021-11-06 23:08:00,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:08:00,323 INFO L225 Difference]: With dead ends: 4310 [2021-11-06 23:08:00,323 INFO L226 Difference]: Without dead ends: 2241 [2021-11-06 23:08:00,325 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-06 23:08:00,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2021-11-06 23:08:00,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2233. [2021-11-06 23:08:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2233 states, 1732 states have (on average 1.6016166281755195) internal successors, (2774), 2232 states have internal predecessors, (2774), 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) [2021-11-06 23:08:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2774 transitions. [2021-11-06 23:08:00,361 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2774 transitions. Word has length 110 [2021-11-06 23:08:00,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:08:00,362 INFO L470 AbstractCegarLoop]: Abstraction has 2233 states and 2774 transitions. [2021-11-06 23:08:00,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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) [2021-11-06 23:08:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2774 transitions. [2021-11-06 23:08:00,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:08:00,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:08:00,363 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:08:00,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 23:08:00,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:08:00,588 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:08:00,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:08:00,588 INFO L85 PathProgramCache]: Analyzing trace with hash 108037212, now seen corresponding path program 1 times [2021-11-06 23:08:00,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:08:00,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495266612] [2021-11-06 23:08:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:08:00,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:08:00,612 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:08:00,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41639256] [2021-11-06 23:08:00,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:08:00,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:08:00,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:08:00,615 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) [2021-11-06 23:08:00,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 23:08:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:08:01,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 23:08:01,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:08:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:08:01,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:08:01,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495266612] [2021-11-06 23:08:01,535 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:08:01,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41639256] [2021-11-06 23:08:01,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41639256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:08:01,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:08:01,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:08:01,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691441017] [2021-11-06 23:08:01,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:08:01,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:08:01,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:08:01,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:08:01,537 INFO L87 Difference]: Start difference. First operand 2233 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-06 23:08:01,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:08:01,591 INFO L93 Difference]: Finished difference Result 4391 states and 5462 transitions. [2021-11-06 23:08:01,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:08:01,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2021-11-06 23:08:01,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:08:01,600 INFO L225 Difference]: With dead ends: 4391 [2021-11-06 23:08:01,600 INFO L226 Difference]: Without dead ends: 2212 [2021-11-06 23:08:01,602 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:08:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2021-11-06 23:08:01,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2021-11-06 23:08:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2212 states, 1711 states have (on average 1.6060783167738164) internal successors, (2748), 2211 states have internal predecessors, (2748), 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) [2021-11-06 23:08:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2748 transitions. [2021-11-06 23:08:01,651 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2748 transitions. Word has length 110 [2021-11-06 23:08:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:08:01,651 INFO L470 AbstractCegarLoop]: Abstraction has 2212 states and 2748 transitions. [2021-11-06 23:08:01,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-06 23:08:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2748 transitions. [2021-11-06 23:08:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 23:08:01,653 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:08:01,653 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:08:01,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 23:08:01,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-06 23:08:01,869 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:08:01,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:08:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash -949669425, now seen corresponding path program 1 times [2021-11-06 23:08:01,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:08:01,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356119921] [2021-11-06 23:08:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:08:01,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:08:01,889 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:08:01,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598402083] [2021-11-06 23:08:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:08:01,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:08:01,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:08:01,890 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:08:01,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-06 23:08:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:08:02,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-06 23:08:02,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:08:02,643 INFO L388 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 6 treesize of output 5 [2021-11-06 23:08:02,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:08:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:02,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:08:02,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:02,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:02,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:08:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2021-11-06 23:08:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-06 23:08:03,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:03,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 23:08:04,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 23:08:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,059 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:08:04,060 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 23:08:04,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:08:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 23:08:04,248 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 23:08:04,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 99 [2021-11-06 23:08:04,265 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-06 23:08:04,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2021-11-06 23:08:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:04,337 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-06 23:08:04,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 150 [2021-11-06 23:08:07,107 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 23:08:07,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2907 treesize of output 2371 [2021-11-06 23:08:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:07,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:12,806 WARN L207 SmtUtils]: Spent 5.62 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-06 23:08:12,806 INFO L354 Elim1Store]: treesize reduction 9069, result has 4.8 percent of original size [2021-11-06 23:08:12,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3462 treesize of output 2164 [2021-11-06 23:08:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:14,630 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 23:08:14,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2415 treesize of output 2138 [2021-11-06 23:08:30,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:30,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 23:08:31,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:31,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:31,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:31,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:31,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:31,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:31,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:42,382 WARN L207 SmtUtils]: Spent 10.49 s on a formula simplification. DAG size of input: 621 DAG size of output: 174 [2021-11-06 23:08:42,383 INFO L354 Elim1Store]: treesize reduction 22384, result has 2.6 percent of original size [2021-11-06 23:08:42,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 18 new quantified variables, introduced 42 case distinctions, treesize of input 62531 treesize of output 35347 [2021-11-06 23:08:42,579 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 23:08:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:42,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:43,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:43,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:43,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:43,482 INFO L244 Elim1Store]: Index analysis took 530 ms [2021-11-06 23:08:44,721 INFO L354 Elim1Store]: treesize reduction 250, result has 49.3 percent of original size [2021-11-06 23:08:44,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2039 treesize of output 1289 [2021-11-06 23:08:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:45,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:45,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:45,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:45,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:45,862 INFO L244 Elim1Store]: Index analysis took 538 ms [2021-11-06 23:08:46,440 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:08:46,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2017 treesize of output 1369 [2021-11-06 23:08:59,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:59,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:08:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:08:59,990 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-06 23:08:59,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 3854 treesize of output 2351 [2021-11-06 23:09:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:00,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:00,595 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-06 23:09:00,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 3651 treesize of output 2289 [2021-11-06 23:09:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:11,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:11,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:11,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:11,688 INFO L244 Elim1Store]: Index analysis took 251 ms [2021-11-06 23:09:12,022 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:09:12,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2004 treesize of output 1344 [2021-11-06 23:09:12,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:12,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:09:14,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-11-06 23:09:14,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:14,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,290 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 23:09:14,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 2526 treesize of output 1466 [2021-11-06 23:09:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,432 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:09:14,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 109 [2021-11-06 23:09:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,521 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:09:14,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 239 treesize of output 109 [2021-11-06 23:09:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,577 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:09:14,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 419 treesize of output 229 [2021-11-06 23:09:14,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:14,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,812 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:09:14,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1319 treesize of output 889 [2021-11-06 23:09:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,838 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:09:14,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1117 treesize of output 699 [2021-11-06 23:09:14,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,863 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:09:14,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 891 treesize of output 569 [2021-11-06 23:09:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:14,884 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:09:14,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 677 treesize of output 571 [2021-11-06 23:09:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,093 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-06 23:09:15,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 224 [2021-11-06 23:09:15,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 68 [2021-11-06 23:09:15,156 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-06 23:09:15,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 155 [2021-11-06 23:09:15,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:15,834 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-06 23:09:15,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 369 treesize of output 278 [2021-11-06 23:09:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:15,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:09:16,028 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-06 23:09:16,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 320 treesize of output 316 [2021-11-06 23:09:16,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:09:16,062 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-06 23:09:16,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 269 treesize of output 217 [2021-11-06 23:09:16,829 INFO L354 Elim1Store]: treesize reduction 1156, result has 22.5 percent of original size [2021-11-06 23:09:16,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 264 treesize of output 476 [2021-11-06 23:09:16,847 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-06 23:09:16,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 452 treesize of output 357 [2021-11-06 23:09:16,859 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-06 23:09:16,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 286 [2021-11-06 23:09:16,927 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 23:09:16,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 23:09:26,176 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 23:09:26,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-06 23:10:11,855 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 23:10:11,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 399 treesize of output 252 [2021-11-06 23:10:14,419 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 23:10:14,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 389 treesize of output 197 [2021-11-06 23:10:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:10:14,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:10:14,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356119921] [2021-11-06 23:10:14,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:10:14,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598402083] [2021-11-06 23:10:14,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598402083] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:10:14,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:10:14,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-06 23:10:14,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814795442] [2021-11-06 23:10:14,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-06 23:10:14,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:10:14,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-06 23:10:14,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-06 23:10:14,547 INFO L87 Difference]: Start difference. First operand 2212 states and 2748 transitions. Second operand has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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) [2021-11-06 23:10:24,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:10:24,307 INFO L93 Difference]: Finished difference Result 4308 states and 5362 transitions. [2021-11-06 23:10:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-06 23:10:24,309 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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 111 [2021-11-06 23:10:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:10:24,317 INFO L225 Difference]: With dead ends: 4308 [2021-11-06 23:10:24,317 INFO L226 Difference]: Without dead ends: 2239 [2021-11-06 23:10:24,320 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-11-06 23:10:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-06 23:10:24,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2231. [2021-11-06 23:10:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 1730 states have (on average 1.6017341040462427) internal successors, (2771), 2230 states have internal predecessors, (2771), 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) [2021-11-06 23:10:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2771 transitions. [2021-11-06 23:10:24,356 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2771 transitions. Word has length 111 [2021-11-06 23:10:24,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:10:24,356 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2771 transitions. [2021-11-06 23:10:24,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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) [2021-11-06 23:10:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2771 transitions. [2021-11-06 23:10:24,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 23:10:24,358 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:10:24,358 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:10:24,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-06 23:10:24,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:10:24,580 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:10:24,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:10:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1383398511, now seen corresponding path program 1 times [2021-11-06 23:10:24,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:10:24,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837227919] [2021-11-06 23:10:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:10:24,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:10:24,631 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:10:24,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660628701] [2021-11-06 23:10:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:10:24,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:10:24,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:10:24,641 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:10:24,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-06 23:10:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:10:25,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-06 23:10:25,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:10:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:10:25,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:10:25,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837227919] [2021-11-06 23:10:25,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:10:25,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660628701] [2021-11-06 23:10:25,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660628701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:10:25,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:10:25,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-11-06 23:10:25,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463211580] [2021-11-06 23:10:25,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:10:25,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:10:25,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:10:25,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:10:25,855 INFO L87 Difference]: Start difference. First operand 2231 states and 2771 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2021-11-06 23:10:25,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:10:25,946 INFO L93 Difference]: Finished difference Result 6539 states and 8137 transitions. [2021-11-06 23:10:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:10:25,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 111 [2021-11-06 23:10:25,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:10:25,955 INFO L225 Difference]: With dead ends: 6539 [2021-11-06 23:10:25,955 INFO L226 Difference]: Without dead ends: 4367 [2021-11-06 23:10:25,958 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:10:25,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2021-11-06 23:10:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 2213. [2021-11-06 23:10:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1712 states have (on average 1.6057242990654206) internal successors, (2749), 2212 states have internal predecessors, (2749), 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) [2021-11-06 23:10:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2749 transitions. [2021-11-06 23:10:26,002 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2749 transitions. Word has length 111 [2021-11-06 23:10:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:10:26,002 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 2749 transitions. [2021-11-06 23:10:26,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2021-11-06 23:10:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2749 transitions. [2021-11-06 23:10:26,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-06 23:10:26,003 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:10:26,003 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:10:26,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-06 23:10:26,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-06 23:10:26,219 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:10:26,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:10:26,220 INFO L85 PathProgramCache]: Analyzing trace with hash -718645671, now seen corresponding path program 1 times [2021-11-06 23:10:26,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:10:26,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456726072] [2021-11-06 23:10:26,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:10:26,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:10:26,243 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:10:26,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1256731030] [2021-11-06 23:10:26,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:10:26,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:10:26,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:10:26,245 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:10:26,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-06 23:10:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:10:27,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-06 23:10:27,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:10:27,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:10:27,160 INFO L388 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 6 treesize of output 5 [2021-11-06 23:10:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:27,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:10:27,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:27,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:27,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:27,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:10:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 23:10:28,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 23:10:28,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:10:28,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:28,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:10:29,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:10:29,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:10:29,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-06 23:10:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,122 INFO L354 Elim1Store]: treesize reduction 60, result has 34.1 percent of original size [2021-11-06 23:10:29,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 51 [2021-11-06 23:10:29,385 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 23:10:29,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 104 [2021-11-06 23:10:29,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:29,431 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-06 23:10:29,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 140 treesize of output 142 [2021-11-06 23:10:29,451 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-06 23:10:29,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 120 [2021-11-06 23:10:33,498 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 23:10:33,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2901 treesize of output 2371 [2021-11-06 23:10:33,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:33,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:40,356 WARN L207 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-06 23:10:40,357 INFO L354 Elim1Store]: treesize reduction 9105, result has 4.4 percent of original size [2021-11-06 23:10:40,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3456 treesize of output 2122 [2021-11-06 23:10:40,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:42,267 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 23:10:42,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2380 treesize of output 2121 [2021-11-06 23:10:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:42,667 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-06 23:10:42,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 18368 treesize of output 18368 [2021-11-06 23:10:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:10:51,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:10:51,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:10:51,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,832 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-11-06 23:10:51,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 894 treesize of output 408 [2021-11-06 23:10:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:51,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 581 treesize of output 418 [2021-11-06 23:10:52,028 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-06 23:10:52,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 528 treesize of output 492 [2021-11-06 23:10:52,443 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-06 23:10:52,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 115 [2021-11-06 23:10:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:10:53,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2021-11-06 23:10:53,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:10:53,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:10:53,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:23,391 WARN L207 SmtUtils]: Spent 6.50 m on a formula simplification. DAG size of input: 1388 DAG size of output: 355 [2021-11-06 23:17:23,392 INFO L354 Elim1Store]: treesize reduction 30302, result has 3.4 percent of original size [2021-11-06 23:17:23,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 665161 treesize of output 283777 [2021-11-06 23:17:32,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:35,994 INFO L244 Elim1Store]: Index analysis took 3138 ms [2021-11-06 23:17:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:36,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:37,677 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:17:37,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1363 treesize of output 615 [2021-11-06 23:17:39,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:40,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:41,128 INFO L244 Elim1Store]: Index analysis took 1981 ms [2021-11-06 23:17:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:41,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:41,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:41,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:42,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:42,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:17:42,694 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:17:42,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1048 treesize of output 472 Killed by 15