./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_SAX_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 d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-07 00:18:45,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:18:45,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:18:45,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:18:45,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:18:45,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:18:45,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:18:45,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:18:45,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:18:45,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:18:45,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:18:45,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:18:45,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:18:45,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:18:45,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:18:45,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:18:45,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:18:45,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:18:45,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:18:45,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:18:45,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:18:45,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:18:46,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:18:46,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:18:46,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:18:46,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:18:46,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:18:46,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:18:46,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:18:46,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:18:46,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:18:46,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:18:46,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:18:46,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:18:46,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:18:46,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:18:46,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:18:46,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:18:46,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:18:46,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:18:46,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:18:46,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 00:18:46,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:18:46,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:18:46,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 00:18:46,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 00:18:46,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 00:18:46,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 00:18:46,040 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 00:18:46,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:18:46,040 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:18:46,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:18:46,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:18:46,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:18:46,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:18:46,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:18:46,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:18:46,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:18:46,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:18:46,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:18:46,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:18:46,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:18:46,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:18:46,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:18:46,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:18:46,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:18:46,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:18:46,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:18:46,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 00:18:46,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:18:46,043 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 00:18:46,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 00:18:46,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:18:46,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:18:46,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2021-11-07 00:18:46,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:18:46,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:18:46,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:18:46,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:18:46,258 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:18:46,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2021-11-07 00:18:46,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b3f674f/2e5e750a7503494da9c6042e3a4aae58/FLAGa336a94bd [2021-11-07 00:18:46,840 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:18:46,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2021-11-07 00:18:46,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b3f674f/2e5e750a7503494da9c6042e3a4aae58/FLAGa336a94bd [2021-11-07 00:18:47,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39b3f674f/2e5e750a7503494da9c6042e3a4aae58 [2021-11-07 00:18:47,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:18:47,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:18:47,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:18:47,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:18:47,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:18:47,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:18:47" (1/1) ... [2021-11-07 00:18:47,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b667ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:47, skipping insertion in model container [2021-11-07 00:18:47,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:18:47" (1/1) ... [2021-11-07 00:18:47,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:18:47,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:18:47,720 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_SAX_test9-2.i[33021,33034] [2021-11-07 00:18:47,903 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_SAX_test9-2.i[84583,84596] [2021-11-07 00:18:47,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:18:47,926 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:18:47,961 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_SAX_test9-2.i[33021,33034] [2021-11-07 00:18:48,020 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_SAX_test9-2.i[84583,84596] [2021-11-07 00:18:48,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:18:48,048 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:18:48,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48 WrapperNode [2021-11-07 00:18:48,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:18:48,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:18:48,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:18:48,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:18:48,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:18:48,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:18:48,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:18:48,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:18:48,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:18:48,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:18:48,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:18:48,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:18:48,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (1/1) ... [2021-11-07 00:18:48,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:18:48,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:18:48,408 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) [2021-11-07 00:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 00:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:18:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:18:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:18:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:18:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:18:48,427 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 [2021-11-07 00:18:50,590 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:18:50,591 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-07 00:18:50,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:18:50 BoogieIcfgContainer [2021-11-07 00:18:50,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:18:50,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:18:50,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:18:50,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:18:50,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:18:47" (1/3) ... [2021-11-07 00:18:50,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c1633c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:18:50, skipping insertion in model container [2021-11-07 00:18:50,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:18:48" (2/3) ... [2021-11-07 00:18:50,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c1633c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:18:50, skipping insertion in model container [2021-11-07 00:18:50,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:18:50" (3/3) ... [2021-11-07 00:18:50,602 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-2.i [2021-11-07 00:18:50,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:18:50,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-07 00:18:50,643 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:18:50,647 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 [2021-11-07 00:18:50,647 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-07 00:18:50,678 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) [2021-11-07 00:18:50,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 00:18:50,682 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:50,683 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:18:50,683 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)] === [2021-11-07 00:18:50,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:50,687 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-07 00:18:50,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:50,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902732110] [2021-11-07 00:18:50,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:50,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:18:50,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:18:50,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902732110] [2021-11-07 00:18:50,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902732110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:18:50,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:18:50,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:18:50,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613079541] [2021-11-07 00:18:50,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:18:50,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:18:50,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:18:50,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:18:50,826 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) [2021-11-07 00:18:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:18:50,904 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-07 00:18:50,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:18:50,906 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 [2021-11-07 00:18:50,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:18:50,922 INFO L225 Difference]: With dead ends: 4370 [2021-11-07 00:18:50,922 INFO L226 Difference]: Without dead ends: 2153 [2021-11-07 00:18:50,928 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 [2021-11-07 00:18:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-07 00:18:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-07 00:18:50,992 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) [2021-11-07 00:18:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-07 00:18:50,996 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-07 00:18:50,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:18:50,997 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-07 00:18:50,997 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) [2021-11-07 00:18:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-07 00:18:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 00:18:50,998 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:50,998 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] [2021-11-07 00:18:50,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:18:50,999 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)] === [2021-11-07 00:18:50,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-07 00:18:51,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:51,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633103650] [2021-11-07 00:18:51,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:51,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:18:51,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:18:51,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633103650] [2021-11-07 00:18:51,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633103650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:18:51,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:18:51,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:18:51,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469196694] [2021-11-07 00:18:51,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:18:51,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:18:51,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:18:51,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:18:51,055 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) [2021-11-07 00:18:51,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:18:51,353 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-07 00:18:51,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:18:51,354 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 [2021-11-07 00:18:51,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:18:51,366 INFO L225 Difference]: With dead ends: 6317 [2021-11-07 00:18:51,366 INFO L226 Difference]: Without dead ends: 4254 [2021-11-07 00:18:51,371 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 [2021-11-07 00:18:51,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-07 00:18:51,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-07 00:18:51,410 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) [2021-11-07 00:18:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-07 00:18:51,416 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-07 00:18:51,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:18:51,417 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-07 00:18:51,417 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) [2021-11-07 00:18:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-07 00:18:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:18:51,423 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:51,423 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] [2021-11-07 00:18:51,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 00:18:51,424 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)] === [2021-11-07 00:18:51,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:51,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-07 00:18:51,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:51,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305861240] [2021-11-07 00:18:51,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:51,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:51,448 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:18:51,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918323649] [2021-11-07 00:18:51,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:51,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:18:51,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:18:51,451 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) [2021-11-07 00:18:51,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 00:18:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:51,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:18:51,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:18:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:18:51,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:18:51,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305861240] [2021-11-07 00:18:51,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:18:51,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918323649] [2021-11-07 00:18:51,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918323649] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:18:51,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:18:51,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:18:51,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041020911] [2021-11-07 00:18:51,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:18:51,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:18:51,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:18:51,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:18:51,825 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) [2021-11-07 00:18:51,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:18:51,910 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-07 00:18:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:18:51,911 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 [2021-11-07 00:18:51,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:18:51,916 INFO L225 Difference]: With dead ends: 4327 [2021-11-07 00:18:51,917 INFO L226 Difference]: Without dead ends: 2176 [2021-11-07 00:18:51,921 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 [2021-11-07 00:18:51,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-07 00:18:51,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-07 00:18:51,970 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) [2021-11-07 00:18:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-07 00:18:51,974 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-07 00:18:51,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:18:51,974 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-07 00:18:51,974 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) [2021-11-07 00:18:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-07 00:18:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:18:51,975 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:51,976 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] [2021-11-07 00:18:51,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:18:52,191 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 [2021-11-07 00:18:52,192 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)] === [2021-11-07 00:18:52,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:52,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-07 00:18:52,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:52,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295069356] [2021-11-07 00:18:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:52,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:52,213 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:18:52,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428588932] [2021-11-07 00:18:52,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:52,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:18:52,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:18:52,215 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) [2021-11-07 00:18:52,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 00:18:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:52,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:18:52,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:18:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:18:52,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:18:52,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295069356] [2021-11-07 00:18:52,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:18:52,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428588932] [2021-11-07 00:18:52,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428588932] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:18:52,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:18:52,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:18:52,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121248184] [2021-11-07 00:18:52,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:18:52,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:18:52,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:18:52,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:18:52,527 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) [2021-11-07 00:18:52,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:18:52,593 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-07 00:18:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:18:52,595 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 [2021-11-07 00:18:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:18:52,600 INFO L225 Difference]: With dead ends: 4258 [2021-11-07 00:18:52,601 INFO L226 Difference]: Without dead ends: 2196 [2021-11-07 00:18:52,603 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 [2021-11-07 00:18:52,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-07 00:18:52,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-07 00:18:52,629 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) [2021-11-07 00:18:52,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-07 00:18:52,633 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-07 00:18:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:18:52,635 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-07 00:18:52,635 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) [2021-11-07 00:18:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-07 00:18:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:18:52,636 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:52,637 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] [2021-11-07 00:18:52,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:18:52,843 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 [2021-11-07 00:18:52,844 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)] === [2021-11-07 00:18:52,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:52,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-07 00:18:52,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:52,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129724772] [2021-11-07 00:18:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:52,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:52,856 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:18:52,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2002921424] [2021-11-07 00:18:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:52,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:18:52,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:18:52,859 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) [2021-11-07 00:18:52,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 00:18:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:53,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:18:53,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:18:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:18:53,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:18:53,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129724772] [2021-11-07 00:18:53,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:18:53,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002921424] [2021-11-07 00:18:53,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002921424] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:18:53,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:18:53,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:18:53,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266452551] [2021-11-07 00:18:53,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:18:53,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:18:53,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:18:53,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:18:53,203 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) [2021-11-07 00:18:53,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:18:53,277 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-07 00:18:53,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:18:53,296 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 [2021-11-07 00:18:53,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:18:53,301 INFO L225 Difference]: With dead ends: 4378 [2021-11-07 00:18:53,301 INFO L226 Difference]: Without dead ends: 2187 [2021-11-07 00:18:53,304 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 [2021-11-07 00:18:53,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-07 00:18:53,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-07 00:18:53,339 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) [2021-11-07 00:18:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-07 00:18:53,344 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-07 00:18:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:18:53,344 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-07 00:18:53,344 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) [2021-11-07 00:18:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-07 00:18:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:18:53,345 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:53,345 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] [2021-11-07 00:18:53,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:18:53,559 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 [2021-11-07 00:18:53,559 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)] === [2021-11-07 00:18:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-07 00:18:53,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:53,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147120121] [2021-11-07 00:18:53,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:53,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:53,581 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:18:53,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490496764] [2021-11-07 00:18:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:53,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:18:53,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:18:53,584 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) [2021-11-07 00:18:53,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 00:18:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:53,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:18:53,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:18:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:18:53,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:18:53,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147120121] [2021-11-07 00:18:53,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:18:53,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490496764] [2021-11-07 00:18:53,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490496764] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:18:53,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:18:53,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:18:53,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789036351] [2021-11-07 00:18:53,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:18:53,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:18:53,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:18:53,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:18:53,925 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) [2021-11-07 00:18:53,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:18:53,993 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-07 00:18:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:18:53,994 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 [2021-11-07 00:18:53,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:18:53,999 INFO L225 Difference]: With dead ends: 4255 [2021-11-07 00:18:54,000 INFO L226 Difference]: Without dead ends: 2173 [2021-11-07 00:18:54,003 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 [2021-11-07 00:18:54,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-07 00:18:54,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-07 00:18:54,026 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) [2021-11-07 00:18:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-07 00:18:54,030 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-07 00:18:54,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:18:54,031 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-07 00:18:54,031 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) [2021-11-07 00:18:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-07 00:18:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:18:54,032 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:54,032 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] [2021-11-07 00:18:54,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:18:54,252 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 [2021-11-07 00:18:54,252 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)] === [2021-11-07 00:18:54,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:54,253 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-07 00:18:54,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:54,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370364054] [2021-11-07 00:18:54,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:54,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:54,263 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:18:54,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282816502] [2021-11-07 00:18:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:54,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:18:54,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:18:54,265 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) [2021-11-07 00:18:54,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 00:18:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:54,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:18:54,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:18:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:18:54,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:18:54,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370364054] [2021-11-07 00:18:54,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:18:54,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282816502] [2021-11-07 00:18:54,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282816502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:18:54,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:18:54,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:18:54,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448058154] [2021-11-07 00:18:54,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:18:54,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:18:54,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:18:54,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:18:54,757 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) [2021-11-07 00:18:54,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:18:54,837 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-07 00:18:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:18:54,838 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 [2021-11-07 00:18:54,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:18:54,849 INFO L225 Difference]: With dead ends: 6426 [2021-11-07 00:18:54,849 INFO L226 Difference]: Without dead ends: 4263 [2021-11-07 00:18:54,852 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 [2021-11-07 00:18:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-07 00:18:54,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-07 00:18:54,899 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) [2021-11-07 00:18:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-07 00:18:54,905 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-07 00:18:54,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:18:54,906 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-07 00:18:54,906 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) [2021-11-07 00:18:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-07 00:18:54,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:18:54,907 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:54,907 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] [2021-11-07 00:18:54,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:18:55,125 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 [2021-11-07 00:18:55,125 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)] === [2021-11-07 00:18:55,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:55,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-07 00:18:55,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:55,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560043676] [2021-11-07 00:18:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:55,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:55,138 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:18:55,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1342913785] [2021-11-07 00:18:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:55,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:18:55,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:18:55,140 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) [2021-11-07 00:18:55,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 00:18:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:55,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:18:55,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:18:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:18:55,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:18:55,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560043676] [2021-11-07 00:18:55,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:18:55,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342913785] [2021-11-07 00:18:55,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342913785] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:18:55,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:18:55,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:18:55,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669987543] [2021-11-07 00:18:55,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:18:55,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:18:55,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:18:55,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:18:55,562 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) [2021-11-07 00:18:55,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:18:55,741 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-07 00:18:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:18:55,742 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 [2021-11-07 00:18:55,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:18:55,747 INFO L225 Difference]: With dead ends: 5424 [2021-11-07 00:18:55,748 INFO L226 Difference]: Without dead ends: 2211 [2021-11-07 00:18:55,751 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 [2021-11-07 00:18:55,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-07 00:18:55,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-07 00:18:55,778 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) [2021-11-07 00:18:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-07 00:18:55,806 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-07 00:18:55,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:18:55,806 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-07 00:18:55,807 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) [2021-11-07 00:18:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-07 00:18:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:18:55,808 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:18:55,808 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] [2021-11-07 00:18:55,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:18:56,008 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 [2021-11-07 00:18:56,009 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)] === [2021-11-07 00:18:56,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:18:56,009 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-07 00:18:56,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:18:56,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266300773] [2021-11-07 00:18:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:56,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:18:56,021 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:18:56,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999630914] [2021-11-07 00:18:56,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:18:56,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:18:56,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:18:56,023 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) [2021-11-07 00:18:56,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 00:18:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:18:56,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 00:18:56,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:18:56,320 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 [2021-11-07 00:18:56,326 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 [2021-11-07 00:18:56,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:56,360 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 [2021-11-07 00:18:56,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:56,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:56,413 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 [2021-11-07 00:18:57,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,334 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 [2021-11-07 00:18:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,342 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 [2021-11-07 00:18:57,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,412 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 [2021-11-07 00:18:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,431 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 [2021-11-07 00:18:57,470 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 [2021-11-07 00:18:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,482 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 [2021-11-07 00:18:57,497 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 [2021-11-07 00:18:57,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:18:57,512 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:18:57,513 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 [2021-11-07 00:18:59,241 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 00:18:59,241 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 [2021-11-07 00:18:59,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:00,641 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 00:19:00,642 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 [2021-11-07 00:19:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:00,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:00,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:00,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:06,196 WARN L207 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-07 00:19:06,197 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-07 00:19:06,197 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 [2021-11-07 00:19:06,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:06,719 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 [2021-11-07 00:19:06,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:06,910 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 [2021-11-07 00:19:06,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:07,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:07,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:07,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,112 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-07 00:19:07,113 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 [2021-11-07 00:19:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:07,682 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 [2021-11-07 00:19:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:08,546 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 00:19:08,546 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 [2021-11-07 00:19:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,464 WARN L207 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 446 DAG size of output: 127 [2021-11-07 00:19:14,467 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-07 00:19:14,468 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 [2021-11-07 00:19:14,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 00:19:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:14,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,026 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-07 00:19:15,035 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-07 00:19:15,036 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 [2021-11-07 00:19:15,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:15,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:15,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,391 INFO L244 Elim1Store]: Index analysis took 195 ms [2021-11-07 00:19:15,796 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-07 00:19:15,797 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 [2021-11-07 00:19:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,963 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-07 00:19:15,964 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 [2021-11-07 00:19:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:16,327 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-07 00:19:16,327 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 [2021-11-07 00:19:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:16,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:16,675 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-07 00:19:16,676 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 [2021-11-07 00:19:22,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,253 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-07 00:19:22,254 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 [2021-11-07 00:19:22,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:22,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:22,413 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-07 00:19:22,414 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 [2021-11-07 00:19:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,548 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:19:22,548 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 [2021-11-07 00:19:22,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,599 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:19:22,599 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 [2021-11-07 00:19:22,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:22,625 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:19:22,626 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 [2021-11-07 00:19:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:22,647 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:19:22,647 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 [2021-11-07 00:19:22,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:22,686 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:19:22,687 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 [2021-11-07 00:19:22,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:22,703 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 00:19:22,703 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 [2021-11-07 00:19:22,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:22,716 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 00:19:22,716 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 [2021-11-07 00:19:22,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,903 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 [2021-11-07 00:19:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:22,932 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 00:19:22,933 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 [2021-11-07 00:19:23,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:23,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,437 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-07 00:19:23,437 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 [2021-11-07 00:19:23,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:23,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,552 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-07 00:19:23,553 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 [2021-11-07 00:19:23,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:19:23,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:19:23,584 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-07 00:19:23,585 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 [2021-11-07 00:19:24,124 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-07 00:19:24,125 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 [2021-11-07 00:19:24,148 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-07 00:19:24,149 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 [2021-11-07 00:19:24,211 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 00:19:24,212 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 [2021-11-07 00:19:24,220 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:19:24,221 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 [2021-11-07 00:19:30,142 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-07 00:19:30,142 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 [2021-11-07 00:20:55,833 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 00:20:55,833 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 [2021-11-07 00:21:01,082 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-07 00:21:01,082 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 [2021-11-07 00:21:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:21:01,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:01,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266300773] [2021-11-07 00:21:01,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:21:01,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999630914] [2021-11-07 00:21:01,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999630914] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:21:01,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:21:01,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-07 00:21:01,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913642093] [2021-11-07 00:21:01,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 00:21:01,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:01,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 00:21:01,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 00:21:01,177 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) [2021-11-07 00:21:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:17,783 INFO L93 Difference]: Finished difference Result 4310 states and 5365 transitions. [2021-11-07 00:21:17,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 00:21:17,785 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 [2021-11-07 00:21:17,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:17,792 INFO L225 Difference]: With dead ends: 4310 [2021-11-07 00:21:17,792 INFO L226 Difference]: Without dead ends: 2241 [2021-11-07 00:21:17,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-07 00:21:17,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2021-11-07 00:21:17,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2233. [2021-11-07 00:21:17,821 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) [2021-11-07 00:21:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2774 transitions. [2021-11-07 00:21:17,824 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2774 transitions. Word has length 110 [2021-11-07 00:21:17,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:17,824 INFO L470 AbstractCegarLoop]: Abstraction has 2233 states and 2774 transitions. [2021-11-07 00:21:17,824 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) [2021-11-07 00:21:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2774 transitions. [2021-11-07 00:21:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:21:17,825 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:17,826 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] [2021-11-07 00:21:17,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 00:21:18,044 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 [2021-11-07 00:21:18,045 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)] === [2021-11-07 00:21:18,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:18,045 INFO L85 PathProgramCache]: Analyzing trace with hash 108037212, now seen corresponding path program 1 times [2021-11-07 00:21:18,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:18,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915029664] [2021-11-07 00:21:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:18,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:18,071 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:18,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579550664] [2021-11-07 00:21:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:18,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:18,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:18,074 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) [2021-11-07 00:21:18,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 00:21:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:18,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 00:21:18,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:21:18,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:18,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915029664] [2021-11-07 00:21:18,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:21:18,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579550664] [2021-11-07 00:21:18,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579550664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:18,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:18,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:21:18,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715356658] [2021-11-07 00:21:18,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:21:18,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:18,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:21:18,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:21:18,996 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) [2021-11-07 00:21:19,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:19,048 INFO L93 Difference]: Finished difference Result 4391 states and 5462 transitions. [2021-11-07 00:21:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:21:19,050 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 [2021-11-07 00:21:19,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:19,055 INFO L225 Difference]: With dead ends: 4391 [2021-11-07 00:21:19,055 INFO L226 Difference]: Without dead ends: 2212 [2021-11-07 00:21:19,057 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 [2021-11-07 00:21:19,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2021-11-07 00:21:19,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2021-11-07 00:21:19,081 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) [2021-11-07 00:21:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2748 transitions. [2021-11-07 00:21:19,083 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2748 transitions. Word has length 110 [2021-11-07 00:21:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:19,083 INFO L470 AbstractCegarLoop]: Abstraction has 2212 states and 2748 transitions. [2021-11-07 00:21:19,084 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) [2021-11-07 00:21:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2748 transitions. [2021-11-07 00:21:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 00:21:19,084 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:19,085 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] [2021-11-07 00:21:19,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 00:21:19,305 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 [2021-11-07 00:21:19,305 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)] === [2021-11-07 00:21:19,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:19,306 INFO L85 PathProgramCache]: Analyzing trace with hash -949669425, now seen corresponding path program 1 times [2021-11-07 00:21:19,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:19,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46414345] [2021-11-07 00:21:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:19,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:19,320 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:19,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1025332360] [2021-11-07 00:21:19,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:19,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:19,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:19,321 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) [2021-11-07 00:21:19,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 00:21:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:19,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-07 00:21:19,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:19,845 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 [2021-11-07 00:21:19,861 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 [2021-11-07 00:21:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:19,907 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 [2021-11-07 00:21:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:19,986 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 [2021-11-07 00:21:21,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,328 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 [2021-11-07 00:21:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,339 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 [2021-11-07 00:21:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,461 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 [2021-11-07 00:21:21,518 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 [2021-11-07 00:21:21,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,540 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:21:21,540 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 [2021-11-07 00:21:21,556 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 [2021-11-07 00:21:21,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,571 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 [2021-11-07 00:21:21,780 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-07 00:21:21,780 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 [2021-11-07 00:21:21,805 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-07 00:21:21,805 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 [2021-11-07 00:21:21,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,872 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-07 00:21:21,872 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 [2021-11-07 00:21:25,470 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-07 00:21:25,470 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 [2021-11-07 00:21:25,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:25,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:25,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:25,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:31,499 WARN L207 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-07 00:21:31,499 INFO L354 Elim1Store]: treesize reduction 9069, result has 4.8 percent of original size [2021-11-07 00:21:31,500 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 [2021-11-07 00:21:31,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:33,601 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-07 00:21:33,602 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 [2021-11-07 00:21:52,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:52,626 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 [2021-11-07 00:21:53,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:53,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:53,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:21:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:53,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:53,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:07,000 WARN L207 SmtUtils]: Spent 13.22 s on a formula simplification. DAG size of input: 621 DAG size of output: 174 [2021-11-07 00:22:07,001 INFO L354 Elim1Store]: treesize reduction 22384, result has 2.6 percent of original size [2021-11-07 00:22:07,002 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 [2021-11-07 00:22:07,227 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 00:22:07,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:07,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:07,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:07,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:07,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:07,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:07,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:07,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:08,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:08,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:08,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:08,213 INFO L244 Elim1Store]: Index analysis took 528 ms [2021-11-07 00:22:09,255 INFO L354 Elim1Store]: treesize reduction 250, result has 49.3 percent of original size [2021-11-07 00:22:09,255 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 [2021-11-07 00:22:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:09,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:09,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:09,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:09,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:09,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:10,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:10,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:10,352 INFO L244 Elim1Store]: Index analysis took 476 ms [2021-11-07 00:22:11,148 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:22:11,149 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 [2021-11-07 00:22:27,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:27,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:27,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:27,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:27,938 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-07 00:22:27,938 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 [2021-11-07 00:22:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:28,418 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-11-07 00:22:28,423 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 [2021-11-07 00:22:38,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:38,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:38,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:38,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:38,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:38,288 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-11-07 00:22:38,666 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:22:38,667 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 [2021-11-07 00:22:39,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:39,279 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 [2021-11-07 00:22:41,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,164 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 [2021-11-07 00:22:41,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,352 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-07 00:22:41,352 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 [2021-11-07 00:22:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,511 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:22:41,511 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 [2021-11-07 00:22:41,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,621 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:22:41,622 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 [2021-11-07 00:22:41,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,679 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:22:41,679 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 [2021-11-07 00:22:41,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:41,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:41,994 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:22:41,995 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 [2021-11-07 00:22:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:42,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,023 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:22:42,023 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 [2021-11-07 00:22:42,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:42,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,051 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:22:42,051 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 [2021-11-07 00:22:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:42,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,076 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 00:22:42,076 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 [2021-11-07 00:22:42,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:42,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,334 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-07 00:22:42,334 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 [2021-11-07 00:22:42,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:42,400 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 [2021-11-07 00:22:42,415 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-07 00:22:42,415 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 [2021-11-07 00:22:43,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:43,252 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-07 00:22:43,252 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 [2021-11-07 00:22:43,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:43,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:43,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:43,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:22:43,431 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-07 00:22:43,431 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 [2021-11-07 00:22:43,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:22:43,475 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-07 00:22:43,476 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 [2021-11-07 00:22:44,366 INFO L354 Elim1Store]: treesize reduction 1156, result has 22.5 percent of original size [2021-11-07 00:22:44,366 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 [2021-11-07 00:22:44,379 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-07 00:22:44,379 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 [2021-11-07 00:22:44,391 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-07 00:22:44,391 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 [2021-11-07 00:22:44,466 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 00:22:44,467 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 [2021-11-07 00:22:57,904 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-07 00:22:57,904 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 [2021-11-07 00:24:21,000 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 00:24:21,001 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 [2021-11-07 00:24:25,957 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-07 00:24:25,958 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 [2021-11-07 00:24:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:24:26,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:24:26,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46414345] [2021-11-07 00:24:26,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:24:26,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025332360] [2021-11-07 00:24:26,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025332360] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:24:26,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:24:26,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-07 00:24:26,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983311381] [2021-11-07 00:24:26,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 00:24:26,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:24:26,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 00:24:26,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-07 00:24:26,133 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) [2021-11-07 00:24:40,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:24:40,797 INFO L93 Difference]: Finished difference Result 4308 states and 5362 transitions. [2021-11-07 00:24:40,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 00:24:40,799 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 [2021-11-07 00:24:40,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:24:40,805 INFO L225 Difference]: With dead ends: 4308 [2021-11-07 00:24:40,805 INFO L226 Difference]: Without dead ends: 2239 [2021-11-07 00:24:40,808 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-11-07 00:24:40,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-07 00:24:40,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2231. [2021-11-07 00:24:40,833 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) [2021-11-07 00:24:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2771 transitions. [2021-11-07 00:24:40,836 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2771 transitions. Word has length 111 [2021-11-07 00:24:40,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:24:40,836 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2771 transitions. [2021-11-07 00:24:40,837 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) [2021-11-07 00:24:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2771 transitions. [2021-11-07 00:24:40,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 00:24:40,837 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:24:40,838 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] [2021-11-07 00:24:40,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 00:24:41,051 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 [2021-11-07 00:24:41,052 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)] === [2021-11-07 00:24:41,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:24:41,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1383398511, now seen corresponding path program 1 times [2021-11-07 00:24:41,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:24:41,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374251084] [2021-11-07 00:24:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:24:41,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:24:41,084 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:24:41,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092642948] [2021-11-07 00:24:41,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:24:41,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:24:41,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:24:41,085 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) [2021-11-07 00:24:41,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 00:24:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:24:41,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 00:24:41,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:24:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:24:42,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:24:42,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374251084] [2021-11-07 00:24:42,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:24:42,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092642948] [2021-11-07 00:24:42,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092642948] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:24:42,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:24:42,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-11-07 00:24:42,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970505970] [2021-11-07 00:24:42,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:24:42,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:24:42,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:24:42,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:24:42,171 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) [2021-11-07 00:24:42,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:24:42,264 INFO L93 Difference]: Finished difference Result 6539 states and 8137 transitions. [2021-11-07 00:24:42,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:24:42,265 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 [2021-11-07 00:24:42,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:24:42,278 INFO L225 Difference]: With dead ends: 6539 [2021-11-07 00:24:42,278 INFO L226 Difference]: Without dead ends: 4367 [2021-11-07 00:24:42,281 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 [2021-11-07 00:24:42,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2021-11-07 00:24:42,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 2213. [2021-11-07 00:24:42,316 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) [2021-11-07 00:24:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2749 transitions. [2021-11-07 00:24:42,318 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2749 transitions. Word has length 111 [2021-11-07 00:24:42,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:24:42,318 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 2749 transitions. [2021-11-07 00:24:42,318 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) [2021-11-07 00:24:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2749 transitions. [2021-11-07 00:24:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-07 00:24:42,319 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:24:42,319 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] [2021-11-07 00:24:42,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 00:24:42,535 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 [2021-11-07 00:24:42,535 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)] === [2021-11-07 00:24:42,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:24:42,536 INFO L85 PathProgramCache]: Analyzing trace with hash -718645671, now seen corresponding path program 1 times [2021-11-07 00:24:42,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:24:42,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055919760] [2021-11-07 00:24:42,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:24:42,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:24:42,547 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:24:42,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1247504759] [2021-11-07 00:24:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:24:42,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:24:42,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:24:42,549 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) [2021-11-07 00:24:42,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 00:24:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:24:43,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-07 00:24:43,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:24:43,344 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 [2021-11-07 00:24:43,351 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 [2021-11-07 00:24:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:43,427 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 [2021-11-07 00:24:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:43,562 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 [2021-11-07 00:24:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,374 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 [2021-11-07 00:24:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,396 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 [2021-11-07 00:24:45,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,640 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 [2021-11-07 00:24:45,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,664 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 [2021-11-07 00:24:45,816 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 [2021-11-07 00:24:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,853 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 [2021-11-07 00:24:45,898 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 [2021-11-07 00:24:45,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:45,948 INFO L354 Elim1Store]: treesize reduction 60, result has 34.1 percent of original size [2021-11-07 00:24:45,949 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 [2021-11-07 00:24:46,386 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-07 00:24:46,386 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 [2021-11-07 00:24:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:46,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:46,455 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-07 00:24:46,456 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 [2021-11-07 00:24:46,487 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-07 00:24:46,487 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 [2021-11-07 00:24:51,909 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-07 00:24:51,909 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 [2021-11-07 00:24:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:24:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:00,395 WARN L207 SmtUtils]: Spent 8.42 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-07 00:25:00,395 INFO L354 Elim1Store]: treesize reduction 9105, result has 4.4 percent of original size [2021-11-07 00:25:00,396 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 [2021-11-07 00:25:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:02,589 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-07 00:25:02,590 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 [2021-11-07 00:25:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:03,046 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-07 00:25:03,046 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 [2021-11-07 00:25:13,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:25:13,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:25:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:25:13,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:13,877 INFO L244 Elim1Store]: Index analysis took 159 ms [2021-11-07 00:25:13,879 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 [2021-11-07 00:25:14,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:14,048 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 [2021-11-07 00:25:14,105 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-07 00:25:14,105 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 [2021-11-07 00:25:14,574 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-07 00:25:14,574 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 [2021-11-07 00:25:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:25:15,284 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 [2021-11-07 00:25:15,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:25:15,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:25:15,511 INFO L190 IndexEqualityManager]: detected not equals via solver Killed by 15