./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_SFH_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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-07 00:41:51,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:41:51,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:41:51,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:41:51,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:41:51,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:41:51,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:41:51,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:41:51,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:41:51,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:41:51,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:41:51,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:41:51,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:41:51,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:41:51,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:41:51,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:41:51,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:41:51,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:41:51,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:41:51,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:41:51,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:41:51,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:41:51,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:41:51,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:41:51,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:41:51,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:41:51,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:41:51,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:41:51,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:41:51,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:41:51,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:41:51,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:41:51,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:41:51,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:41:51,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:41:51,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:41:51,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:41:51,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:41:51,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:41:51,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:41:51,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:41:51,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 00:41:51,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:41:51,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:41:51,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 00:41:51,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 00:41:51,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 00:41:51,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 00:41:51,494 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 00:41:51,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:41:51,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:41:51,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:41:51,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:41:51,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:41:51,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:41:51,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:41:51,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:41:51,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:41:51,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:41:51,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:41:51,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:41:51,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:41:51,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:41:51,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:41:51,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:41:51,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:41:51,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:41:51,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:41:51,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 00:41:51,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:41:51,498 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 00:41:51,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 00:41:51,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:41:51,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:41:51,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2021-11-07 00:41:51,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:41:51,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:41:51,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:41:51,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:41:51,718 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:41:51,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-07 00:41:51,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dce4052e/091e7ce5025a4ef7a40afefd3eacb29e/FLAG96ae351de [2021-11-07 00:41:52,289 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:41:52,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2021-11-07 00:41:52,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dce4052e/091e7ce5025a4ef7a40afefd3eacb29e/FLAG96ae351de [2021-11-07 00:41:52,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dce4052e/091e7ce5025a4ef7a40afefd3eacb29e [2021-11-07 00:41:52,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:41:52,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:41:52,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:41:52,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:41:52,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:41:52,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:41:52" (1/1) ... [2021-11-07 00:41:52,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22042bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:52, skipping insertion in model container [2021-11-07 00:41:52,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:41:52" (1/1) ... [2021-11-07 00:41:52,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:41:52,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:41:53,166 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_SFH_test9-2.i[33021,33034] [2021-11-07 00:41:53,339 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_SFH_test9-2.i[84583,84596] [2021-11-07 00:41:53,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:41:53,351 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:41:53,368 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_SFH_test9-2.i[33021,33034] [2021-11-07 00:41:53,445 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_SFH_test9-2.i[84583,84596] [2021-11-07 00:41:53,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:41:53,490 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:41:53,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53 WrapperNode [2021-11-07 00:41:53,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:41:53,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:41:53,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:41:53,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:41:53,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:41:53,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:41:53,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:41:53,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:41:53,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:41:53,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:41:53,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:41:53,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:41:53,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (1/1) ... [2021-11-07 00:41:53,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:41:53,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:41:53,895 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 00:41:53,915 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 00:41:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:41:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:41:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:41:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:41:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:41:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 00:41:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:41:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:41:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:41:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:41:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:41:56,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:41:56,183 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-07 00:41:56,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:41:56 BoogieIcfgContainer [2021-11-07 00:41:56,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:41:56,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:41:56,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:41:56,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:41:56,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:41:52" (1/3) ... [2021-11-07 00:41:56,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7651acc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:41:56, skipping insertion in model container [2021-11-07 00:41:56,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:41:53" (2/3) ... [2021-11-07 00:41:56,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7651acc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:41:56, skipping insertion in model container [2021-11-07 00:41:56,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:41:56" (3/3) ... [2021-11-07 00:41:56,194 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-2.i [2021-11-07 00:41:56,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:41:56,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-07 00:41:56,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:41:56,240 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 00:41:56,240 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-07 00:41:56,271 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 00:41:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 00:41:56,277 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:41:56,277 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:41:56,278 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 00:41:56,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:41:56,283 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-07 00:41:56,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:41:56,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254274384] [2021-11-07 00:41:56,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:56,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:41:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:41:56,415 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 00:41:56,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:41:56,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254274384] [2021-11-07 00:41:56,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254274384] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:41:56,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:41:56,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:41:56,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325388408] [2021-11-07 00:41:56,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:41:56,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:41:56,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:41:56,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:41:56,438 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 00:41:56,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:41:56,508 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-07 00:41:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:41:56,510 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 00:41:56,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:41:56,528 INFO L225 Difference]: With dead ends: 4370 [2021-11-07 00:41:56,528 INFO L226 Difference]: Without dead ends: 2153 [2021-11-07 00:41:56,534 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 00:41:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-07 00:41:56,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-07 00:41:56,641 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 00:41:56,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-07 00:41:56,646 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-07 00:41:56,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:41:56,646 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-07 00:41:56,646 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 00:41:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-07 00:41:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 00:41:56,647 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:41:56,648 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 00:41:56,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:41:56,648 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 00:41:56,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:41:56,649 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-07 00:41:56,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:41:56,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528453181] [2021-11-07 00:41:56,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:56,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:41:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:41:56,700 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 00:41:56,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:41:56,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528453181] [2021-11-07 00:41:56,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528453181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:41:56,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:41:56,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:41:56,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132603313] [2021-11-07 00:41:56,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:41:56,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:41:56,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:41:56,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:41:56,704 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 00:41:56,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:41:56,964 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-07 00:41:56,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:41:56,965 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 00:41:56,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:41:56,977 INFO L225 Difference]: With dead ends: 6317 [2021-11-07 00:41:56,977 INFO L226 Difference]: Without dead ends: 4254 [2021-11-07 00:41:56,981 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 00:41:56,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-07 00:41:57,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-07 00:41:57,017 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 00:41:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-07 00:41:57,021 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-07 00:41:57,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:41:57,022 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-07 00:41:57,022 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 00:41:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-07 00:41:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:41:57,024 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:41:57,024 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 00:41:57,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 00:41:57,024 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 00:41:57,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:41:57,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-07 00:41:57,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:41:57,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96482412] [2021-11-07 00:41:57,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:57,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:41:57,040 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:41:57,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693561062] [2021-11-07 00:41:57,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:57,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:41:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:41:57,042 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 00:41:57,043 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 00:41:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:41:57,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:41:57,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:41:57,434 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 00:41:57,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:41:57,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96482412] [2021-11-07 00:41:57,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:41:57,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693561062] [2021-11-07 00:41:57,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693561062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:41:57,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:41:57,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:41:57,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889958232] [2021-11-07 00:41:57,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:41:57,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:41:57,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:41:57,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:41:57,436 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 00:41:57,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:41:57,502 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-07 00:41:57,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:41:57,503 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 00:41:57,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:41:57,508 INFO L225 Difference]: With dead ends: 4327 [2021-11-07 00:41:57,508 INFO L226 Difference]: Without dead ends: 2176 [2021-11-07 00:41:57,511 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 00:41:57,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-07 00:41:57,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-07 00:41:57,537 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 00:41:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-07 00:41:57,541 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-07 00:41:57,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:41:57,541 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-07 00:41:57,541 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 00:41:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-07 00:41:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:41:57,543 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:41:57,543 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 00:41:57,563 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 00:41:57,759 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 00:41:57,760 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 00:41:57,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:41:57,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-07 00:41:57,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:41:57,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196425875] [2021-11-07 00:41:57,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:57,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:41:57,774 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:41:57,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908752319] [2021-11-07 00:41:57,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:57,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:41:57,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:41:57,776 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 00:41:57,777 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 00:41:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:41:57,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:41:57,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:41:58,091 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 00:41:58,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:41:58,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196425875] [2021-11-07 00:41:58,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:41:58,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908752319] [2021-11-07 00:41:58,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908752319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:41:58,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:41:58,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:41:58,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283296064] [2021-11-07 00:41:58,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:41:58,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:41:58,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:41:58,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:41:58,094 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 00:41:58,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:41:58,180 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-07 00:41:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:41:58,180 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 00:41:58,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:41:58,186 INFO L225 Difference]: With dead ends: 4258 [2021-11-07 00:41:58,186 INFO L226 Difference]: Without dead ends: 2196 [2021-11-07 00:41:58,188 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 00:41:58,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-07 00:41:58,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-07 00:41:58,244 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 00:41:58,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-07 00:41:58,247 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-07 00:41:58,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:41:58,248 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-07 00:41:58,248 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 00:41:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-07 00:41:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:41:58,248 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:41:58,249 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 00:41:58,268 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 00:41:58,466 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 00:41:58,466 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 00:41:58,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:41:58,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-07 00:41:58,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:41:58,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975390823] [2021-11-07 00:41:58,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:58,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:41:58,479 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:41:58,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196881002] [2021-11-07 00:41:58,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:58,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:41:58,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:41:58,480 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 00:41:58,481 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 00:41:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:41:58,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:41:58,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:41:58,820 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 00:41:58,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:41:58,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975390823] [2021-11-07 00:41:58,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:41:58,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196881002] [2021-11-07 00:41:58,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196881002] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:41:58,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:41:58,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:41:58,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157321196] [2021-11-07 00:41:58,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:41:58,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:41:58,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:41:58,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:41:58,824 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 00:41:58,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:41:58,901 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-07 00:41:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:41:58,908 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 00:41:58,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:41:58,913 INFO L225 Difference]: With dead ends: 4378 [2021-11-07 00:41:58,914 INFO L226 Difference]: Without dead ends: 2187 [2021-11-07 00:41:58,917 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 00:41:58,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-07 00:41:58,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-07 00:41:58,948 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 00:41:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-07 00:41:58,952 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-07 00:41:58,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:41:58,952 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-07 00:41:58,953 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 00:41:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-07 00:41:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:41:58,956 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:41:58,956 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 00:41:58,975 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 00:41:59,171 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 00:41:59,172 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 00:41:59,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:41:59,172 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-07 00:41:59,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:41:59,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11266193] [2021-11-07 00:41:59,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:59,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:41:59,183 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:41:59,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259256653] [2021-11-07 00:41:59,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:59,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:41:59,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:41:59,185 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 00:41:59,186 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 00:41:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:41:59,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:41:59,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:41:59,556 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 00:41:59,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:41:59,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11266193] [2021-11-07 00:41:59,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:41:59,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259256653] [2021-11-07 00:41:59,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259256653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:41:59,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:41:59,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:41:59,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958956575] [2021-11-07 00:41:59,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:41:59,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:41:59,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:41:59,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:41:59,561 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 00:41:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:41:59,642 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-07 00:41:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:41:59,642 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 00:41:59,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:41:59,648 INFO L225 Difference]: With dead ends: 4255 [2021-11-07 00:41:59,648 INFO L226 Difference]: Without dead ends: 2173 [2021-11-07 00:41:59,651 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 00:41:59,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-07 00:41:59,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-07 00:41:59,676 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 00:41:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-07 00:41:59,680 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-07 00:41:59,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:41:59,680 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-07 00:41:59,681 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 00:41:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-07 00:41:59,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:41:59,681 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:41:59,682 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 00:41:59,700 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 00:41:59,900 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 00:41:59,900 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 00:41:59,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:41:59,901 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-07 00:41:59,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:41:59,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147498726] [2021-11-07 00:41:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:59,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:41:59,911 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:41:59,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1467408288] [2021-11-07 00:41:59,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:41:59,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:41:59,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:41:59,913 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 00:41:59,914 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 00:42:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:42:00,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:42:00,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:42:00,367 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 00:42:00,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:42:00,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147498726] [2021-11-07 00:42:00,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:42:00,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467408288] [2021-11-07 00:42:00,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467408288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:42:00,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:42:00,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:42:00,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858991805] [2021-11-07 00:42:00,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:42:00,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:42:00,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:42:00,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:42:00,373 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 00:42:00,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:42:00,437 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-07 00:42:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:42:00,438 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 00:42:00,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:42:00,464 INFO L225 Difference]: With dead ends: 6426 [2021-11-07 00:42:00,464 INFO L226 Difference]: Without dead ends: 4263 [2021-11-07 00:42:00,466 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 00:42:00,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-07 00:42:00,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-07 00:42:00,505 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 00:42:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-07 00:42:00,511 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-07 00:42:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:42:00,511 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-07 00:42:00,511 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 00:42:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-07 00:42:00,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:42:00,512 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:42:00,512 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 00:42:00,533 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 00:42:00,727 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 00:42:00,727 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 00:42:00,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:42:00,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-07 00:42:00,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:42:00,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466687719] [2021-11-07 00:42:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:42:00,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:42:00,740 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:42:00,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579753537] [2021-11-07 00:42:00,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:42:00,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:42:00,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:42:00,742 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 00:42:00,743 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 00:42:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:42:00,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:42:00,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:42:01,180 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 00:42:01,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:42:01,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466687719] [2021-11-07 00:42:01,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:42:01,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579753537] [2021-11-07 00:42:01,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579753537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:42:01,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:42:01,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:42:01,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741118511] [2021-11-07 00:42:01,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:42:01,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:42:01,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:42:01,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:42:01,182 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 00:42:01,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:42:01,355 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-07 00:42:01,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:42:01,356 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 00:42:01,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:42:01,362 INFO L225 Difference]: With dead ends: 5424 [2021-11-07 00:42:01,362 INFO L226 Difference]: Without dead ends: 2211 [2021-11-07 00:42:01,366 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 00:42:01,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-07 00:42:01,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-07 00:42:01,392 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 00:42:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-07 00:42:01,397 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-07 00:42:01,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:42:01,398 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-07 00:42:01,398 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 00:42:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-07 00:42:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:42:01,399 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:42:01,399 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 00:42:01,425 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 00:42:01,607 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 00:42:01,607 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 00:42:01,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:42:01,608 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-07 00:42:01,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:42:01,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620748147] [2021-11-07 00:42:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:42:01,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:42:01,634 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:42:01,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065128632] [2021-11-07 00:42:01,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:42:01,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:42:01,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:42:01,639 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 00:42:01,640 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 00:42:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:42:01,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 00:42:01,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:42:01,929 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 00:42:01,933 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 00:42:01,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:01,962 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 00:42:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,008 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 00:42:02,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,772 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 00:42:02,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,781 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 00:42:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,843 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 00:42:02,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,862 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 00:42:02,901 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 00:42:02,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,911 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 00:42:02,923 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 00:42:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:02,937 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:42:02,938 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 00:42:04,590 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 00:42:04,590 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 00:42:04,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:05,988 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 00:42:05,989 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 00:42:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:06,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:06,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:11,280 WARN L207 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-07 00:42:11,281 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-07 00:42:11,282 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 00:42:11,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:11,861 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 00:42:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,047 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 00:42:12,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:12,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:12,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,234 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-11-07 00:42:12,235 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 00:42:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:12,791 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 00:42:13,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:13,624 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 00:42:13,625 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 00:42:13,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,374 WARN L207 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 446 DAG size of output: 127 [2021-11-07 00:42:19,375 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-07 00:42:19,375 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 00:42:19,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 00:42:19,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:19,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:19,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:19,975 INFO L244 Elim1Store]: Index analysis took 237 ms [2021-11-07 00:42:19,983 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-07 00:42:19,984 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 00:42:20,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:20,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:20,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,329 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-07 00:42:20,740 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-07 00:42:20,740 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 00:42:20,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,913 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-07 00:42:20,914 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 00:42:20,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:21,275 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-07 00:42:21,275 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 00:42:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:21,677 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-07 00:42:21,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 00:42:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,423 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-07 00:42:27,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 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 00:42:27,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:27,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:27,569 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-07 00:42:27,569 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 00:42:27,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,694 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:42:27,694 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 00:42:27,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,740 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:42:27,740 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 00:42:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:27,767 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:42:27,768 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 00:42:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:27,789 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:42:27,790 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 00:42:27,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:27,809 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:42:27,810 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 00:42:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:27,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:27,831 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 00:42:27,831 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 00:42:27,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:27,846 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 00:42:27,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 780 treesize of output 720 [2021-11-07 00:42:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,098 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 00:42:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,143 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 00:42:28,145 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 00:42:28,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:28,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,631 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-07 00:42:28,632 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 00:42:28,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:28,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,740 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-07 00:42:28,740 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 00:42:28,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:42:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:42:28,766 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-07 00:42:28,766 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 00:42:29,259 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-07 00:42:29,260 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 00:42:29,285 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-07 00:42:29,285 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 00:42:29,343 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 00:42:29,344 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 00:42:29,351 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:42:29,352 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 00:42:35,584 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-07 00:42:35,585 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 00:44:02,688 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 00:44:02,689 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 00:44:08,530 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-07 00:44:08,530 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 00:44:08,623 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 00:44:08,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:44:08,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620748147] [2021-11-07 00:44:08,623 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:44:08,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065128632] [2021-11-07 00:44:08,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065128632] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:44:08,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:44:08,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-07 00:44:08,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298540095] [2021-11-07 00:44:08,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 00:44:08,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:44:08,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 00:44:08,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 00:44:08,625 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 00:44:22,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:44:22,008 INFO L93 Difference]: Finished difference Result 4310 states and 5365 transitions. [2021-11-07 00:44:22,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 00:44:22,009 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 00:44:22,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:44:22,015 INFO L225 Difference]: With dead ends: 4310 [2021-11-07 00:44:22,015 INFO L226 Difference]: Without dead ends: 2241 [2021-11-07 00:44:22,018 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 00:44:22,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2021-11-07 00:44:22,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2233. [2021-11-07 00:44:22,046 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 00:44:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2774 transitions. [2021-11-07 00:44:22,050 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2774 transitions. Word has length 110 [2021-11-07 00:44:22,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:44:22,051 INFO L470 AbstractCegarLoop]: Abstraction has 2233 states and 2774 transitions. [2021-11-07 00:44:22,051 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 00:44:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2774 transitions. [2021-11-07 00:44:22,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:44:22,052 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:44:22,052 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 00:44:22,073 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 00:44:22,267 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 00:44:22,268 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 00:44:22,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:44:22,268 INFO L85 PathProgramCache]: Analyzing trace with hash 108037212, now seen corresponding path program 1 times [2021-11-07 00:44:22,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:44:22,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133526925] [2021-11-07 00:44:22,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:44:22,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:44:22,281 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:44:22,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1304610001] [2021-11-07 00:44:22,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:44:22,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:44:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:44:22,283 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 00:44:22,284 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 00:44:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:44:22,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 00:44:22,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:44:23,142 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 00:44:23,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:44:23,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133526925] [2021-11-07 00:44:23,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:44:23,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304610001] [2021-11-07 00:44:23,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304610001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:44:23,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:44:23,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:44:23,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152184644] [2021-11-07 00:44:23,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:44:23,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:44:23,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:44:23,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:44:23,144 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 00:44:23,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:44:23,199 INFO L93 Difference]: Finished difference Result 4391 states and 5462 transitions. [2021-11-07 00:44:23,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:44:23,201 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 00:44:23,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:44:23,206 INFO L225 Difference]: With dead ends: 4391 [2021-11-07 00:44:23,207 INFO L226 Difference]: Without dead ends: 2212 [2021-11-07 00:44:23,209 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 00:44:23,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2021-11-07 00:44:23,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2021-11-07 00:44:23,233 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 00:44:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2748 transitions. [2021-11-07 00:44:23,236 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2748 transitions. Word has length 110 [2021-11-07 00:44:23,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:44:23,236 INFO L470 AbstractCegarLoop]: Abstraction has 2212 states and 2748 transitions. [2021-11-07 00:44:23,236 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 00:44:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2748 transitions. [2021-11-07 00:44:23,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 00:44:23,237 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:44:23,237 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 00:44:23,263 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 00:44:23,451 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 00:44:23,451 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 00:44:23,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:44:23,452 INFO L85 PathProgramCache]: Analyzing trace with hash -949669425, now seen corresponding path program 1 times [2021-11-07 00:44:23,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:44:23,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075544361] [2021-11-07 00:44:23,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:44:23,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:44:23,462 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:44:23,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [452978760] [2021-11-07 00:44:23,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:44:23,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:44:23,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:44:23,466 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 00:44:23,467 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 00:44:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:44:23,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-07 00:44:23,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:44:23,992 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 00:44:24,007 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 00:44:24,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:24,060 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 00:44:24,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:24,152 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 00:44:25,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,614 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 00:44:25,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,628 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 00:44:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,788 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 00:44:25,854 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 00:44:25,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,879 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:44:25,879 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 00:44:25,902 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 00:44:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:25,925 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 00:44:26,159 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-07 00:44:26,159 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 00:44:26,181 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-07 00:44:26,181 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 00:44:26,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:26,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:26,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:26,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:26,244 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-07 00:44:26,244 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 00:44:29,372 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-07 00:44:29,372 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 00:44:29,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:29,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:29,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:29,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:36,042 WARN L207 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-07 00:44:36,042 INFO L354 Elim1Store]: treesize reduction 9069, result has 4.8 percent of original size [2021-11-07 00:44:36,043 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 00:44:36,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:38,193 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-07 00:44:38,194 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 00:44:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:57,628 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 00:44:58,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:58,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:58,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:58,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:58,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:44:58,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:58,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:58,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:44:58,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:12,662 WARN L207 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 621 DAG size of output: 174 [2021-11-07 00:45:12,663 INFO L354 Elim1Store]: treesize reduction 22384, result has 2.6 percent of original size [2021-11-07 00:45:12,664 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 00:45:12,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 00:45:13,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:13,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:13,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:13,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:14,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:14,074 INFO L244 Elim1Store]: Index analysis took 741 ms [2021-11-07 00:45:15,359 INFO L354 Elim1Store]: treesize reduction 250, result has 49.3 percent of original size [2021-11-07 00:45:15,359 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 00:45:16,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:16,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:16,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:16,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:16,625 INFO L244 Elim1Store]: Index analysis took 604 ms [2021-11-07 00:45:17,349 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:45:17,349 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 00:45:32,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:32,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:32,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:32,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:32,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:32,888 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-07 00:45:32,902 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-07 00:45:32,902 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 00:45:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:33,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:33,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:33,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:33,595 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-11-07 00:45:33,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 3651 treesize of output 2289 [2021-11-07 00:45:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:43,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:43,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:43,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:43,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:43,869 INFO L244 Elim1Store]: Index analysis took 163 ms [2021-11-07 00:45:44,166 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:45:44,166 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 00:45:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:44,714 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 00:45:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,373 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 00:45:46,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:46,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,548 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-07 00:45:46,549 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 00:45:46,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,749 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:45:46,749 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 00:45:46,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,886 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:45:46,886 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 00:45:46,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:46,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:45:46,950 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 00:45:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:47,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,344 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:45:47,345 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 00:45:47,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,378 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:45:47,378 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 00:45:47,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,411 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-07 00:45:47,411 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 00:45:47,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:47,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,439 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 00:45:47,440 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 00:45:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:47,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,751 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-07 00:45:47,752 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 00:45:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:47,821 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 00:45:47,833 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-07 00:45:47,834 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 00:45:48,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:48,755 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-07 00:45:48,756 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 00:45:48,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:48,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:48,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:48,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:45:48,952 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-07 00:45:48,953 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 00:45:48,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:45:48,993 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-07 00:45:48,994 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 00:45:49,976 INFO L354 Elim1Store]: treesize reduction 1156, result has 22.5 percent of original size [2021-11-07 00:45:49,976 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 00:45:49,990 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-07 00:45:49,990 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 00:45:50,002 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-07 00:45:50,003 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 00:45:50,082 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 00:45:50,083 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 00:46:04,856 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-07 00:46:04,856 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 00:47:19,857 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 00:47:19,857 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 00:47:23,938 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-07 00:47:23,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 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 00:47:24,066 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 00:47:24,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:47:24,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075544361] [2021-11-07 00:47:24,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:47:24,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452978760] [2021-11-07 00:47:24,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452978760] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:47:24,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:47:24,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-07 00:47:24,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751042913] [2021-11-07 00:47:24,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 00:47:24,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:47:24,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 00:47:24,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-07 00:47:24,068 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 00:47:36,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:47:36,506 INFO L93 Difference]: Finished difference Result 4308 states and 5362 transitions. [2021-11-07 00:47:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 00:47:36,508 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 00:47:36,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:47:36,525 INFO L225 Difference]: With dead ends: 4308 [2021-11-07 00:47:36,526 INFO L226 Difference]: Without dead ends: 2239 [2021-11-07 00:47:36,529 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-11-07 00:47:36,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-07 00:47:36,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2231. [2021-11-07 00:47:36,558 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 00:47:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2771 transitions. [2021-11-07 00:47:36,562 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2771 transitions. Word has length 111 [2021-11-07 00:47:36,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:47:36,562 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2771 transitions. [2021-11-07 00:47:36,563 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 00:47:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2771 transitions. [2021-11-07 00:47:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 00:47:36,563 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:47:36,564 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 00:47:36,586 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 00:47:36,779 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 00:47:36,780 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 00:47:36,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:47:36,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1383398511, now seen corresponding path program 1 times [2021-11-07 00:47:36,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:47:36,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105358484] [2021-11-07 00:47:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:47:36,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:47:36,791 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:47:36,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39928864] [2021-11-07 00:47:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:47:36,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:47:36,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:47:36,799 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 00:47:36,823 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 00:47:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:47:37,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 00:47:37,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:47:37,866 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 00:47:37,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:47:37,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105358484] [2021-11-07 00:47:37,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:47:37,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39928864] [2021-11-07 00:47:37,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39928864] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:47:37,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:47:37,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-11-07 00:47:37,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576453203] [2021-11-07 00:47:37,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:47:37,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:47:37,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:47:37,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:47:37,868 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 00:47:37,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:47:37,951 INFO L93 Difference]: Finished difference Result 6539 states and 8137 transitions. [2021-11-07 00:47:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:47:37,952 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 00:47:37,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:47:37,958 INFO L225 Difference]: With dead ends: 6539 [2021-11-07 00:47:37,958 INFO L226 Difference]: Without dead ends: 4367 [2021-11-07 00:47:37,961 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 00:47:37,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2021-11-07 00:47:37,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 2213. [2021-11-07 00:47:37,991 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 00:47:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2749 transitions. [2021-11-07 00:47:37,993 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2749 transitions. Word has length 111 [2021-11-07 00:47:37,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:47:37,993 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 2749 transitions. [2021-11-07 00:47:37,993 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 00:47:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2749 transitions. [2021-11-07 00:47:37,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-07 00:47:37,994 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:47:37,994 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 00:47:38,016 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 00:47:38,207 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 00:47:38,207 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 00:47:38,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:47:38,208 INFO L85 PathProgramCache]: Analyzing trace with hash -718645671, now seen corresponding path program 1 times [2021-11-07 00:47:38,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:47:38,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205102626] [2021-11-07 00:47:38,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:47:38,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:47:38,228 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:47:38,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [79039948] [2021-11-07 00:47:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:47:38,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:47:38,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:47:38,231 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 00:47:38,232 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 00:47:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:47:39,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-07 00:47:39,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:47:39,063 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 00:47:39,069 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 00:47:39,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:39,117 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 00:47:39,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:39,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:39,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:39,225 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 00:47:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,603 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 00:47:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,615 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 00:47:40,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,726 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 00:47:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,737 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 00:47:40,804 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 00:47:40,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,823 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 00:47:40,845 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 00:47:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:40,878 INFO L354 Elim1Store]: treesize reduction 60, result has 34.1 percent of original size [2021-11-07 00:47:40,878 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 00:47:41,144 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-07 00:47:41,145 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 00:47:41,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:41,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:41,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:41,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:41,191 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-07 00:47:41,192 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 00:47:41,213 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-07 00:47:41,213 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 00:47:45,007 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-07 00:47:45,008 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 00:47:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:52,181 WARN L207 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-07 00:47:52,181 INFO L354 Elim1Store]: treesize reduction 9105, result has 4.4 percent of original size [2021-11-07 00:47:52,182 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 00:47:52,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:53,751 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-07 00:47:53,751 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 00:47:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:47:54,120 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-07 00:47:54,121 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 00:48:03,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:48:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:48:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:48:03,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,273 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-07 00:48:03,274 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 00:48:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:03,416 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 00:48:03,467 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-07 00:48:03,468 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 00:48:03,877 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-07 00:48:03,877 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 00:48:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:48:04,500 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 00:48:04,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:48:04,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:48:04,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:47,946 WARN L207 SmtUtils]: Spent 6.72 m on a formula simplification. DAG size of input: 1388 DAG size of output: 355 [2021-11-07 00:54:47,947 INFO L354 Elim1Store]: treesize reduction 30302, result has 3.4 percent of original size [2021-11-07 00:54:47,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 665161 treesize of output 283777 [2021-11-07 00:54:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:56,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:56,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:57,133 INFO L244 Elim1Store]: Index analysis took 1994 ms [2021-11-07 00:54:57,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:57,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:57,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:57,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:58,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:58,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:58,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:58,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:54:58,815 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:54:58,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1363 treesize of output 615 [2021-11-07 00:54:59,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:00,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:00,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:01,294 INFO L244 Elim1Store]: Index analysis took 1538 ms [2021-11-07 00:55:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:02,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:02,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:02,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:02,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:02,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:55:02,931 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:55:02,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1048 treesize of output 472 Killed by 15