./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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_BER_test2-1.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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 00:08:17,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 00:08:17,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 00:08:17,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 00:08:17,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 00:08:17,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 00:08:17,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 00:08:17,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 00:08:17,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 00:08:17,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 00:08:17,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 00:08:17,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 00:08:17,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 00:08:17,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 00:08:17,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 00:08:17,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 00:08:17,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 00:08:17,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 00:08:17,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 00:08:17,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 00:08:17,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 00:08:17,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 00:08:17,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 00:08:17,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 00:08:17,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 00:08:17,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 00:08:17,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 00:08:17,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 00:08:17,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 00:08:17,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 00:08:17,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 00:08:17,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 00:08:17,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 00:08:17,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 00:08:17,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 00:08:17,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 00:08:17,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 00:08:17,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 00:08:17,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 00:08:17,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 00:08:17,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 00:08:17,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 00:08:18,011 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 00:08:18,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 00:08:18,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 00:08:18,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 00:08:18,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 00:08:18,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 00:08:18,014 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 00:08:18,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 00:08:18,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 00:08:18,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 00:08:18,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 00:08:18,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 00:08:18,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 00:08:18,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 00:08:18,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 00:08:18,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 00:08:18,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 00:08:18,016 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 00:08:18,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 00:08:18,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 00:08:18,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 00:08:18,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 00:08:18,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:08:18,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 00:08:18,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 00:08:18,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 00:08:18,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 00:08:18,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 00:08:18,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 00:08:18,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 00:08:18,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 00:08:18,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 00:08:18,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2021-11-06 00:08:18,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 00:08:18,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 00:08:18,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 00:08:18,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 00:08:18,305 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 00:08:18,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-06 00:08:18,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f49361c3/6bd848d67d6443479a416b90ec1d9850/FLAG5caceaafc [2021-11-06 00:08:18,782 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 00:08:18,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-06 00:08:18,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f49361c3/6bd848d67d6443479a416b90ec1d9850/FLAG5caceaafc [2021-11-06 00:08:18,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f49361c3/6bd848d67d6443479a416b90ec1d9850 [2021-11-06 00:08:18,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 00:08:18,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 00:08:18,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 00:08:18,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 00:08:18,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 00:08:18,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:08:18" (1/1) ... [2021-11-06 00:08:18,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147527f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:18, skipping insertion in model container [2021-11-06 00:08:18,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:08:18" (1/1) ... [2021-11-06 00:08:18,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 00:08:18,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 00:08:19,189 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_BER_test2-1.i[37019,37032] [2021-11-06 00:08:19,261 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_BER_test2-1.i[47352,47365] [2021-11-06 00:08:19,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:08:19,269 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 00:08:19,294 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_BER_test2-1.i[37019,37032] [2021-11-06 00:08:19,346 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_BER_test2-1.i[47352,47365] [2021-11-06 00:08:19,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:08:19,377 INFO L208 MainTranslator]: Completed translation [2021-11-06 00:08:19,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19 WrapperNode [2021-11-06 00:08:19,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 00:08:19,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 00:08:19,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 00:08:19,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 00:08:19,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 00:08:19,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 00:08:19,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 00:08:19,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 00:08:19,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 00:08:19,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 00:08:19,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 00:08:19,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 00:08:19,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (1/1) ... [2021-11-06 00:08:19,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:08:19,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:19,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 00:08:19,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 00:08:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 00:08:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 00:08:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 00:08:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 00:08:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 00:08:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 00:08:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 00:08:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 00:08:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 00:08:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 00:08:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 00:08:20,361 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 00:08:20,361 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-06 00:08:20,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:08:20 BoogieIcfgContainer [2021-11-06 00:08:20,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 00:08:20,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 00:08:20,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 00:08:20,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 00:08:20,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:08:18" (1/3) ... [2021-11-06 00:08:20,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e96d668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:08:20, skipping insertion in model container [2021-11-06 00:08:20,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:19" (2/3) ... [2021-11-06 00:08:20,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e96d668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:08:20, skipping insertion in model container [2021-11-06 00:08:20,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:08:20" (3/3) ... [2021-11-06 00:08:20,368 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2021-11-06 00:08:20,371 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 00:08:20,371 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 00:08:20,398 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 00:08:20,402 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 00:08:20,402 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 00:08:20,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:20,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 00:08:20,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:20,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:20,420 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:20,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:20,439 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-06 00:08:20,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:20,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254698756] [2021-11-06 00:08:20,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:20,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:20,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:20,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254698756] [2021-11-06 00:08:20,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254698756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:20,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:20,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 00:08:20,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713240161] [2021-11-06 00:08:20,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:20,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 00:08:20,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:20,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 00:08:20,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:08:20,575 INFO L87 Difference]: Start difference. First operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:20,596 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-06 00:08:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 00:08:20,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 00:08:20,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:20,607 INFO L225 Difference]: With dead ends: 352 [2021-11-06 00:08:20,607 INFO L226 Difference]: Without dead ends: 173 [2021-11-06 00:08:20,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:08:20,611 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.62ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:20,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.62ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 00:08:20,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-06 00:08:20,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-06 00:08:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 167 states have (on average 1.347305389221557) internal successors, (225), 172 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-06 00:08:20,661 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-06 00:08:20,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:20,661 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-06 00:08:20,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-06 00:08:20,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 00:08:20,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:20,663 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:20,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 00:08:20,663 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:20,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:20,665 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-06 00:08:20,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:20,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783245366] [2021-11-06 00:08:20,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:20,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:20,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:20,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783245366] [2021-11-06 00:08:20,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783245366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:20,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:20,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:20,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139846702] [2021-11-06 00:08:20,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:20,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:20,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:20,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:20,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:20,757 INFO L87 Difference]: Start difference. First operand 173 states and 225 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:21,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:21,094 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-06 00:08:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:08:21,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 00:08:21,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:21,096 INFO L225 Difference]: With dead ends: 377 [2021-11-06 00:08:21,096 INFO L226 Difference]: Without dead ends: 294 [2021-11-06 00:08:21,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:21,098 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 153 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 236.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.71ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 302.16ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:21,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 534 Invalid, 142 Unknown, 0 Unchecked, 4.71ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 302.16ms Time] [2021-11-06 00:08:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-06 00:08:21,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-06 00:08:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.3431952662721893) internal successors, (227), 174 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-06 00:08:21,107 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-06 00:08:21,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:21,107 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-06 00:08:21,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-06 00:08:21,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:08:21,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:21,110 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:21,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 00:08:21,110 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:21,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:21,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-06 00:08:21,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:21,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141924839] [2021-11-06 00:08:21,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:21,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:21,126 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:21,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798552912] [2021-11-06 00:08:21,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:21,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:21,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:21,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:08:21,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 00:08:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:21,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:21,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:21,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:21,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:21,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141924839] [2021-11-06 00:08:21,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:21,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798552912] [2021-11-06 00:08:21,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798552912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:21,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:21,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:08:21,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274185425] [2021-11-06 00:08:21,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:21,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:08:21,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:21,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:08:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:21,568 INFO L87 Difference]: Start difference. First operand 175 states and 227 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:21,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:21,638 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-06 00:08:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:08:21,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:08:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:21,640 INFO L225 Difference]: With dead ends: 367 [2021-11-06 00:08:21,640 INFO L226 Difference]: Without dead ends: 196 [2021-11-06 00:08:21,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.54ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:21,646 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.88ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:21,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 62.88ms Time] [2021-11-06 00:08:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-06 00:08:21,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-06 00:08:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 189 states have (on average 1.306878306878307) internal successors, (247), 194 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:21,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-06 00:08:21,666 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-06 00:08:21,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:21,666 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-06 00:08:21,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-06 00:08:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:08:21,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:21,668 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:21,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 00:08:21,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:21,875 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:21,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:21,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-06 00:08:21,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:21,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190919266] [2021-11-06 00:08:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:21,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:21,890 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:21,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2076741950] [2021-11-06 00:08:21,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:21,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:21,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:21,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:08:21,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 00:08:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:22,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:22,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:08:22,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:22,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:22,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190919266] [2021-11-06 00:08:22,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:22,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076741950] [2021-11-06 00:08:22,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076741950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:22,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:22,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:08:22,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377773648] [2021-11-06 00:08:22,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:22,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:08:22,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:22,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:08:22,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:22,165 INFO L87 Difference]: Start difference. First operand 195 states and 247 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:22,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:22,213 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-06 00:08:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:08:22,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:08:22,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:22,215 INFO L225 Difference]: With dead ends: 298 [2021-11-06 00:08:22,215 INFO L226 Difference]: Without dead ends: 216 [2021-11-06 00:08:22,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:22,218 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.76ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.78ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:22,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.76ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 42.78ms Time] [2021-11-06 00:08:22,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-06 00:08:22,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-06 00:08:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.277511961722488) internal successors, (267), 214 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-06 00:08:22,237 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-06 00:08:22,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:22,238 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-06 00:08:22,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:22,239 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-06 00:08:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:08:22,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:22,244 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:22,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:22,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 00:08:22,451 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:22,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:22,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-06 00:08:22,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:22,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977639501] [2021-11-06 00:08:22,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:22,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:22,476 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:22,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911415733] [2021-11-06 00:08:22,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:22,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:22,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:22,480 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) [2021-11-06 00:08:22,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 00:08:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:22,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:22,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:22,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:22,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:22,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977639501] [2021-11-06 00:08:22,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:22,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911415733] [2021-11-06 00:08:22,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911415733] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:22,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:22,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:22,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516210869] [2021-11-06 00:08:22,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:22,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:22,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:22,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:22,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:22,744 INFO L87 Difference]: Start difference. First operand 215 states and 267 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:22,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:22,799 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-06 00:08:22,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:08:22,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:08:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:22,800 INFO L225 Difference]: With dead ends: 418 [2021-11-06 00:08:22,800 INFO L226 Difference]: Without dead ends: 207 [2021-11-06 00:08:22,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:22,801 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 213 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.38ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.20ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:22,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 406 Invalid, 66 Unknown, 0 Unchecked, 1.38ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 44.20ms Time] [2021-11-06 00:08:22,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-06 00:08:22,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-06 00:08:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.2615384615384615) internal successors, (246), 200 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-06 00:08:22,806 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-06 00:08:22,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:22,806 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-06 00:08:22,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-06 00:08:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:08:22,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:22,807 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:22,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:23,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:23,027 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:23,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:23,027 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-06 00:08:23,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:23,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060208332] [2021-11-06 00:08:23,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:23,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:23,037 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:23,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1913039801] [2021-11-06 00:08:23,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:23,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:23,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:23,042 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:08:23,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 00:08:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:23,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:08:23,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:08:23,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:23,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:23,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060208332] [2021-11-06 00:08:23,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:23,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913039801] [2021-11-06 00:08:23,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913039801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:23,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:23,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:23,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57752160] [2021-11-06 00:08:23,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:23,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:23,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:23,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:23,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:23,306 INFO L87 Difference]: Start difference. First operand 201 states and 246 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:23,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:23,354 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-06 00:08:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:08:23,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:08:23,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:23,357 INFO L225 Difference]: With dead ends: 295 [2021-11-06 00:08:23,357 INFO L226 Difference]: Without dead ends: 193 [2021-11-06 00:08:23,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:23,358 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 96 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.09ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.53ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:23,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 496 Invalid, 66 Unknown, 0 Unchecked, 1.09ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 39.53ms Time] [2021-11-06 00:08:23,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-06 00:08:23,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-06 00:08:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 186 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:23,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-06 00:08:23,362 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-06 00:08:23,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:23,362 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-06 00:08:23,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:23,362 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-06 00:08:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:08:23,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:23,363 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:23,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:23,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:23,575 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:23,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:23,576 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-06 00:08:23,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:23,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587662914] [2021-11-06 00:08:23,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:23,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:23,585 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:23,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1521636121] [2021-11-06 00:08:23,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:23,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:23,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:23,586 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:08:23,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 00:08:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:23,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:08:23,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:23,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:23,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:23,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587662914] [2021-11-06 00:08:23,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:23,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521636121] [2021-11-06 00:08:23,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521636121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:23,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:23,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:08:23,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007708141] [2021-11-06 00:08:23,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:23,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:08:23,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:23,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:08:23,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:23,930 INFO L87 Difference]: Start difference. First operand 187 states and 225 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:23,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:23,969 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-06 00:08:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:08:23,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:08:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:23,970 INFO L225 Difference]: With dead ends: 486 [2021-11-06 00:08:23,970 INFO L226 Difference]: Without dead ends: 303 [2021-11-06 00:08:23,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:08:23,971 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 94 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.86ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.99ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:23,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 441 Invalid, 14 Unknown, 0 Unchecked, 0.86ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 31.99ms Time] [2021-11-06 00:08:23,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-06 00:08:23,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-06 00:08:23,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 290 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-06 00:08:23,977 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-06 00:08:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:23,977 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-06 00:08:23,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-06 00:08:23,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:08:23,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:23,978 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:23,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:24,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:24,189 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:24,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:24,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-06 00:08:24,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:24,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816809632] [2021-11-06 00:08:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:24,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:24,202 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:24,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618041288] [2021-11-06 00:08:24,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:24,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:24,204 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:08:24,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 00:08:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:24,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:08:24,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:08:24,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:08:24,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:08:24,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816809632] [2021-11-06 00:08:24,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:08:24,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618041288] [2021-11-06 00:08:24,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618041288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:08:24,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:08:24,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:08:24,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216825776] [2021-11-06 00:08:24,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:08:24,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:08:24,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:08:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:08:24,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:08:24,492 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:24,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:08:24,603 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-06 00:08:24,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:08:24,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 00:08:24,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:08:24,604 INFO L225 Difference]: With dead ends: 474 [2021-11-06 00:08:24,604 INFO L226 Difference]: Without dead ends: 231 [2021-11-06 00:08:24,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.13ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:08:24,605 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 310 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.13ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.16ms IncrementalHoareTripleChecker+Time [2021-11-06 00:08:24,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 266 Invalid, 49 Unknown, 0 Unchecked, 1.13ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 98.16ms Time] [2021-11-06 00:08:24,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-06 00:08:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-06 00:08:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.208888888888889) internal successors, (272), 230 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-06 00:08:24,610 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-06 00:08:24,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:08:24,610 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-06 00:08:24,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:08:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-06 00:08:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 00:08:24,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:08:24,611 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:08:24,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 00:08:24,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:24,824 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:08:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:08:24,824 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-06 00:08:24,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:08:24,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976153726] [2021-11-06 00:08:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:24,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:08:24,833 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:08:24,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245966908] [2021-11-06 00:08:24,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:08:24,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:08:24,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:08:24,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:08:24,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 00:08:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:08:24,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 00:08:24,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:08:24,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 00:08:24,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 00:08:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 00:08:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 00:08:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 00:08:25,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 00:08:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 00:08:25,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 00:08:25,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 00:08:25,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 00:08:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,910 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 00:08:25,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 00:08:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:25,926 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 66 treesize of output 47 [2021-11-06 00:08:27,188 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 00:08:27,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 00:08:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:28,276 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 00:08:28,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 00:08:28,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:28,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:28,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:28,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:32,815 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 00:08:32,816 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 2277 [2021-11-06 00:08:33,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:33,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 00:08:33,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:33,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 00:08:35,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:08:35,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:08:35,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:08:35,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,050 INFO L244 Elim1Store]: Index analysis took 207 ms [2021-11-06 00:08:36,052 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 955 treesize of output 443 [2021-11-06 00:08:36,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:08:36,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:08:36,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:08:36,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:30,955 WARN L230 SmtUtils]: Spent 7.90m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 00:16:30,959 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 00:16:30,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1851380 treesize of output 765901 [2021-11-06 00:16:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,231 INFO L244 Elim1Store]: Index analysis took 222 ms [2021-11-06 00:16:35,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:35,441 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:16:35,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-06 00:16:37,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:37,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:38,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:38,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:39,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:39,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:39,508 INFO L244 Elim1Store]: Index analysis took 2416 ms [2021-11-06 00:16:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:39,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:40,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:40,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:40,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:41,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:41,602 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:16:41,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1023 treesize of output 442 [2021-11-06 00:16:41,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:42,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:42,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:42,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:42,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:43,104 INFO L244 Elim1Store]: Index analysis took 1248 ms [2021-11-06 00:16:43,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:43,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:44,814 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:16:44,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 758 treesize of output 356 [2021-11-06 00:16:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:45,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:45,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,200 INFO L244 Elim1Store]: Index analysis took 1151 ms [2021-11-06 00:16:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:46,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:47,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:16:47,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:16:47,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15