./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array20_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array20_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:41,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:41,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:41,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:41,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:41,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:41,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:41,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:41,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:41,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:41,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:41,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:41,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:41,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:41,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:41,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:41,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:41,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:41,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:41,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:41,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:41,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:41,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:41,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:41,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:41,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:41,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:41,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:41,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:41,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:41,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:41,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:41,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:41,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:41,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:41,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:41,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:41,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:41,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:41,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:41,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:41,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:35:41,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:41,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:41,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:41,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:41,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:41,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:41,652 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:41,653 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:41,653 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:41,653 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:35:41,654 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:41,654 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:41,655 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:35:41,655 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:35:41,655 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:41,655 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:35:41,656 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:35:41,656 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:35:41,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:41,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:35:41,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:41,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:35:41,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:41,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:35:41,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:41,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:35:41,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:35:41,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:35:41,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:41,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:35:41,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:41,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:41,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:41,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:41,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:41,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:35:41,663 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:35:41,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:35:41,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:35:41,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:41,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:41,664 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 [2021-11-20 23:35:41,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:41,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:41,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:41,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:41,985 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:41,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/array-patterns/array20_pattern.c [2021-11-20 23:35:42,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/data/6f3e06f56/1c19f8e84eae43729eb15de42e1bfc4e/FLAG7a81bc791 [2021-11-20 23:35:42,649 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:42,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/sv-benchmarks/c/array-patterns/array20_pattern.c [2021-11-20 23:35:42,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/data/6f3e06f56/1c19f8e84eae43729eb15de42e1bfc4e/FLAG7a81bc791 [2021-11-20 23:35:43,001 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/data/6f3e06f56/1c19f8e84eae43729eb15de42e1bfc4e [2021-11-20 23:35:43,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:43,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:43,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:43,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:43,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:43,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149be04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43, skipping insertion in model container [2021-11-20 23:35:43,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:43,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:43,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2021-11-20 23:35:43,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:43,235 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:35:43,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2021-11-20 23:35:43,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:43,280 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:35:43,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43 WrapperNode [2021-11-20 23:35:43,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:43,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:43,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:35:43,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:35:43,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,341 INFO L137 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2021-11-20 23:35:43,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:43,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:35:43,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:35:43,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:35:43,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:35:43,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:35:43,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:35:43,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:35:43,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (1/1) ... [2021-11-20 23:35:43,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:43,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:43,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:35:43,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:35:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:35:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 23:35:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 23:35:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:35:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:35:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:35:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:35:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:35:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:35:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:35:43,530 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:35:43,532 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:35:43,734 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:35:43,850 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:35:43,850 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-20 23:35:43,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:43 BoogieIcfgContainer [2021-11-20 23:35:43,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:35:43,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:35:43,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:35:43,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:35:43,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:43" (1/3) ... [2021-11-20 23:35:43,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b193a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:43, skipping insertion in model container [2021-11-20 23:35:43,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:43" (2/3) ... [2021-11-20 23:35:43,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b193a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:43, skipping insertion in model container [2021-11-20 23:35:43,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:43" (3/3) ... [2021-11-20 23:35:43,882 INFO L111 eAbstractionObserver]: Analyzing ICFG array20_pattern.c [2021-11-20 23:35:43,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:35:43,888 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:35:43,946 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:35:43,953 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=FINITE_AUTOMATA, 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 [2021-11-20 23:35:43,953 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:35:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-20 23:35:43,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:43,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:43,977 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:43,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:43,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1984863423, now seen corresponding path program 1 times [2021-11-20 23:35:43,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:43,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505557836] [2021-11-20 23:35:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:43,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:44,109 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:44,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555556126] [2021-11-20 23:35:44,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:44,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:44,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:44,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:44,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:35:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:44,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 23:35:44,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:44,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:44,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:44,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505557836] [2021-11-20 23:35:44,280 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:44,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555556126] [2021-11-20 23:35:44,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555556126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:44,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:44,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:35:44,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775331247] [2021-11-20 23:35:44,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:44,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 23:35:44,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:44,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 23:35:44,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:35:44,331 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 15 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:35:44,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:44,414 INFO L93 Difference]: Finished difference Result 28 states and 38 transitions. [2021-11-20 23:35:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 23:35:44,417 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-20 23:35:44,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:44,425 INFO L225 Difference]: With dead ends: 28 [2021-11-20 23:35:44,425 INFO L226 Difference]: Without dead ends: 18 [2021-11-20 23:35:44,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 23:35:44,434 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:44,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:35:44,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-20 23:35:44,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-20 23:35:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-11-20 23:35:44,497 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 11 [2021-11-20 23:35:44,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:44,498 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-20 23:35:44,499 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:35:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-20 23:35:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 23:35:44,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:44,503 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:44,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:44,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:35:44,731 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:44,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:44,732 INFO L85 PathProgramCache]: Analyzing trace with hash -600046686, now seen corresponding path program 1 times [2021-11-20 23:35:44,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:44,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670525021] [2021-11-20 23:35:44,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:44,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:44,746 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:44,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [846119334] [2021-11-20 23:35:44,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:44,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:44,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:44,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:44,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:35:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:44,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:35:44,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 23:35:45,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:45,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:45,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670525021] [2021-11-20 23:35:45,003 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:45,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846119334] [2021-11-20 23:35:45,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846119334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:45,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:45,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:35:45,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686777631] [2021-11-20 23:35:45,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:45,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:45,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:45,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:45,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:45,018 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:35:45,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:45,066 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2021-11-20 23:35:45,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:45,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2021-11-20 23:35:45,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:45,068 INFO L225 Difference]: With dead ends: 23 [2021-11-20 23:35:45,068 INFO L226 Difference]: Without dead ends: 20 [2021-11-20 23:35:45,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:45,070 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:45,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 36 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:35:45,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-20 23:35:45,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-20 23:35:45,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-11-20 23:35:45,077 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 27 transitions. Word has length 19 [2021-11-20 23:35:45,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:45,078 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-11-20 23:35:45,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:35:45,079 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-20 23:35:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 23:35:45,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:45,081 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:45,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:45,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:45,299 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:45,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2027418289, now seen corresponding path program 1 times [2021-11-20 23:35:45,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:45,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731263117] [2021-11-20 23:35:45,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:45,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:45,310 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:45,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [451714368] [2021-11-20 23:35:45,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:45,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:45,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:45,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:45,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:35:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:45,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 23:35:45,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:35:45,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:45,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:45,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731263117] [2021-11-20 23:35:45,489 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:45,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451714368] [2021-11-20 23:35:45,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451714368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:45,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:45,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:35:45,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380326383] [2021-11-20 23:35:45,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:45,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:35:45,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:45,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:35:45,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:45,493 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:35:45,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:45,653 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2021-11-20 23:35:45,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:35:45,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2021-11-20 23:35:45,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:45,655 INFO L225 Difference]: With dead ends: 41 [2021-11-20 23:35:45,655 INFO L226 Difference]: Without dead ends: 25 [2021-11-20 23:35:45,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:35:45,657 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:45,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 39 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:35:45,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-20 23:35:45,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2021-11-20 23:35:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-11-20 23:35:45,663 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 28 transitions. Word has length 22 [2021-11-20 23:35:45,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:45,663 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-11-20 23:35:45,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:35:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-20 23:35:45,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 23:35:45,665 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:45,665 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:45,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:45,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:45,879 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:45,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:45,880 INFO L85 PathProgramCache]: Analyzing trace with hash 802022805, now seen corresponding path program 1 times [2021-11-20 23:35:45,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:45,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606886466] [2021-11-20 23:35:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:45,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:45,890 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:45,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803096444] [2021-11-20 23:35:45,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:45,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:45,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:45,911 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:45,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:35:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:45,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 23:35:45,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:35:46,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:35:46,060 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:46,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606886466] [2021-11-20 23:35:46,061 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:35:46,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803096444] [2021-11-20 23:35:46,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803096444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:46,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:46,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:35:46,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26896611] [2021-11-20 23:35:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:46,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:35:46,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:46,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:35:46,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:35:46,068 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:35:46,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:46,138 INFO L93 Difference]: Finished difference Result 40 states and 55 transitions. [2021-11-20 23:35:46,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:35:46,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2021-11-20 23:35:46,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:46,141 INFO L225 Difference]: With dead ends: 40 [2021-11-20 23:35:46,142 INFO L226 Difference]: Without dead ends: 23 [2021-11-20 23:35:46,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:46,148 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:46,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 29 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:35:46,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-20 23:35:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-20 23:35:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-20 23:35:46,161 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 24 [2021-11-20 23:35:46,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:46,162 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-20 23:35:46,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:35:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-11-20 23:35:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:35:46,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:46,171 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:46,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:46,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-20 23:35:46,391 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:46,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:46,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1969151575, now seen corresponding path program 1 times [2021-11-20 23:35:46,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:46,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84467702] [2021-11-20 23:35:46,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:46,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:46,403 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:35:46,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596714506] [2021-11-20 23:35:46,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:46,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:35:46,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:46,407 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:35:46,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c47bf07-ed44-4882-b48f-e0f70ac4d2fd/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 23:35:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:46,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-20 23:35:46,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:46,684 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 16 treesize of output 12 [2021-11-20 23:35:46,703 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 16 treesize of output 12 [2021-11-20 23:35:48,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 2433 treesize of output 2383 [2021-11-20 23:36:59,465 WARN L227 SmtUtils]: Spent 1.19m on a formula simplification. DAG size of input: 2599 DAG size of output: 246 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:36:59,473 INFO L354 Elim1Store]: treesize reduction 78834, result has 2.5 percent of original size [2021-11-20 23:36:59,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 16 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 408 case distinctions, treesize of input 3543 treesize of output 4675 [2021-11-20 23:37:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 282 treesize of output 149 [2021-11-20 23:37:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:00,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 138 [2021-11-20 23:37:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:01,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 321 treesize of output 170 [2021-11-20 23:37:01,192 INFO L354 Elim1Store]: treesize reduction 524, result has 0.2 percent of original size [2021-11-20 23:37:01,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3105 treesize of output 2890 [2021-11-20 23:37:01,276 INFO L354 Elim1Store]: treesize reduction 476, result has 0.2 percent of original size [2021-11-20 23:37:01,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2827 treesize of output 2392 [2021-11-20 23:37:01,343 INFO L354 Elim1Store]: treesize reduction 520, result has 0.2 percent of original size [2021-11-20 23:37:01,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2303 treesize of output 2012 [2021-11-20 23:37:01,559 INFO L354 Elim1Store]: treesize reduction 768, result has 0.4 percent of original size [2021-11-20 23:37:01,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 2057 treesize of output 1878 [2021-11-20 23:37:01,722 INFO L354 Elim1Store]: treesize reduction 703, result has 0.4 percent of original size [2021-11-20 23:37:01,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1809 treesize of output 1643 [2021-11-20 23:37:01,768 INFO L354 Elim1Store]: treesize reduction 508, result has 0.2 percent of original size [2021-11-20 23:37:01,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1579 treesize of output 1335 [2021-11-20 23:37:01,806 INFO L354 Elim1Store]: treesize reduction 480, result has 0.2 percent of original size [2021-11-20 23:37:01,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1351 treesize of output 1186 [2021-11-20 23:37:01,930 INFO L354 Elim1Store]: treesize reduction 708, result has 0.4 percent of original size [2021-11-20 23:37:01,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1121 treesize of output 898 [2021-11-20 23:37:02,091 INFO L354 Elim1Store]: treesize reduction 768, result has 0.4 percent of original size [2021-11-20 23:37:02,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 882 treesize of output 731 [2021-11-20 23:37:02,118 INFO L354 Elim1Store]: treesize reduction 492, result has 0.2 percent of original size [2021-11-20 23:37:02,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 638 treesize of output 515 [2021-11-20 23:37:02,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 67 [2021-11-20 23:37:02,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:02,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 92 [2021-11-20 23:37:02,720 INFO L354 Elim1Store]: treesize reduction 25, result has 10.7 percent of original size [2021-11-20 23:37:02,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 41 [2021-11-20 23:37:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:37:02,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:39:52,103 WARN L227 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 23:40:59,418 WARN L227 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-20 23:46:01,579 WARN L227 SmtUtils]: Spent 2.22m on a formula simplification that was a NOOP. DAG size: 121 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:47:10,522 WARN L227 SmtUtils]: Spent 41.08s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-20 23:47:54,833 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:47:54,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84467702] [2021-11-20 23:47:54,833 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:47:54,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596714506] [2021-11-20 23:47:54,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596714506] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:47:54,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [15556213] [2021-11-20 23:47:54,852 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-20 23:47:54,852 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:47:54,857 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:47:54,862 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:47:54,862 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:47:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:55,266 INFO L354 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2021-11-20 23:47:55,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 105 [2021-11-20 23:47:55,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:55,343 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-11-20 23:47:55,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2021-11-20 23:47:55,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 28 [2021-11-20 23:47:55,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:55,525 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:47:55,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:47:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:47:56,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 96 [2021-11-20 23:47:56,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:56,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 24 [2021-11-20 23:47:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:47:56,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,749 INFO L354 Elim1Store]: treesize reduction 122, result has 10.9 percent of original size [2021-11-20 23:47:56,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 284 treesize of output 316 [2021-11-20 23:47:56,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:56,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:56,898 INFO L354 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2021-11-20 23:47:56,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 303 treesize of output 227 [2021-11-20 23:47:57,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:57,730 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 23 treesize of output 19 [2021-11-20 23:47:57,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:47:57,897 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 23 treesize of output 19 [2021-11-20 23:47:59,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 2426 treesize of output 2378 [2021-11-20 23:47:59,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:47:59,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:48:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,820 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (.cse0 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (+ |ULTIMATE.start_main_~#array~0#1.offset| .cse0 (* (+ (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (- 4294967296)) .cse1)) (+ (- 17179869184) (* (+ (mod (+ 4294967295 ~ARR_SIZE~0 (* |ULTIMATE.start_main_~index1~0#1| 4294967295)) 4294967296) (- 4294967296)) .cse1) |ULTIMATE.start_main_~#array~0#1.offset| .cse0))) [2021-11-20 23:48:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:48:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:48:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:48:05,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:48:05,184 INFO L244 Elim1Store]: Index analysis took 5933 ms [2021-11-20 23:49:10,948 WARN L227 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 692 DAG size of output: 383 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:49:10,955 INFO L354 Elim1Store]: treesize reduction 12394, result has 26.1 percent of original size [2021-11-20 23:49:10,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 16 stores, 16 select indices, 16 select index equivalence classes, 91 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 125 case distinctions, treesize of input 2794 treesize of output 10398 [2021-11-20 23:49:13,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:13,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:13,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:13,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:13,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:13,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:14,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:15,957 INFO L244 Elim1Store]: Index analysis took 2110 ms [2021-11-20 23:49:17,305 INFO L354 Elim1Store]: treesize reduction 539, result has 11.9 percent of original size [2021-11-20 23:49:17,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 65 disjoint index pairs (out of 105 index pairs), introduced 13 new quantified variables, introduced 18 case distinctions, treesize of input 845 treesize of output 554 [2021-11-20 23:49:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:21,177 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (.cse1 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (+ |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) .cse0) .cse1) (+ (* (mod (+ 4294967295 ~ARR_SIZE~0 (* |ULTIMATE.start_main_~index1~0#1| 4294967295)) 4294967296) .cse0) (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| .cse1))) [2021-11-20 23:49:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:21,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,638 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)) (.cse0 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))) (= (+ (* (+ (mod (+ 4294967295 ~ARR_SIZE~0 (* |ULTIMATE.start_main_~index1~0#1| 4294967295)) 4294967296) (- 4294967296)) .cse0) |ULTIMATE.start_main_~#array~0#1.offset| .cse1) (+ (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| .cse1 (* (+ (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (- 4294967296)) .cse0)))) [2021-11-20 23:49:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:23,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:24,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:25,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,196 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (.cse0 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (+ |ULTIMATE.start_main_~#array~0#1.offset| .cse0 (* (+ (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (- 4294967296)) .cse1)) (+ (- 17179869184) (* (+ (mod (+ 4294967295 ~ARR_SIZE~0 (* |ULTIMATE.start_main_~index1~0#1| 4294967295)) 4294967296) (- 4294967296)) .cse1) |ULTIMATE.start_main_~#array~0#1.offset| .cse0))) [2021-11-20 23:49:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:28,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,034 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (.cse1 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (+ (* (mod (+ 4294967295 ~ARR_SIZE~0 (* |ULTIMATE.start_main_~index1~0#1| 4294967295)) 4294967296) .cse0) |ULTIMATE.start_main_~#array~0#1.offset| .cse1) (+ (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) .cse0) .cse1))) [2021-11-20 23:49:30,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:30,955 INFO L244 Elim1Store]: Index analysis took 12356 ms [2021-11-20 23:49:38,118 WARN L227 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 189 DAG size of output: 44 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:49:38,119 INFO L354 Elim1Store]: treesize reduction 1431, result has 5.4 percent of original size [2021-11-20 23:49:38,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 88 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 32 case distinctions, treesize of input 890 treesize of output 587 [2021-11-20 23:49:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:40,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:41,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:41,853 INFO L244 Elim1Store]: Index analysis took 957 ms [2021-11-20 23:49:41,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 10 disjoint index pairs (out of 91 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 802 treesize of output 459 [2021-11-20 23:49:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:42,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:43,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:49:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:43,841 INFO L244 Elim1Store]: Index analysis took 905 ms [2021-11-20 23:49:43,875 INFO L354 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2021-11-20 23:49:43,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 77 disjoint index pairs (out of 105 index pairs), introduced 13 new quantified variables, introduced 1 case distinctions, treesize of input 847 treesize of output 483 [2021-11-20 23:49:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:44,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:44,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:44,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:45,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:45,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,493 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse1 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4)) (.cse0 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4)))) (= (+ (* (+ (mod (+ 4294967295 ~ARR_SIZE~0 (* |ULTIMATE.start_main_~index1~0#1| 4294967295)) 4294967296) (- 4294967296)) .cse0) |ULTIMATE.start_main_~#array~0#1.offset| .cse1) (+ (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| .cse1 (* (+ (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) (- 4294967296)) .cse0)))) [2021-11-20 23:49:47,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:47,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:48,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:52,989 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (.cse1 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (+ (* (mod (+ 4294967295 ~ARR_SIZE~0 (* |ULTIMATE.start_main_~index1~0#1| 4294967295)) 4294967296) .cse0) |ULTIMATE.start_main_~#array~0#1.offset| .cse1) (+ (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) .cse0) .cse1))) [2021-11-20 23:49:53,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:49:53,871 INFO L244 Elim1Store]: Index analysis took 9472 ms [2021-11-20 23:49:59,659 WARN L227 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 181 DAG size of output: 71 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:49:59,660 INFO L354 Elim1Store]: treesize reduction 1273, result has 9.9 percent of original size [2021-11-20 23:49:59,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 90 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 953 treesize of output 708 [2021-11-20 23:50:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:00,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:00,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:00,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:03,225 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (+ (- 17179869184) (* (mod ~ARR_SIZE~0 4294967296) 4))) (.cse1 (* (mod |ULTIMATE.start_main_~index2~0#1| 4294967296) 4))) (= (+ |ULTIMATE.start_main_~#array~0#1.offset| (* (mod |ULTIMATE.start_main_~index1~0#1| 4294967296) .cse0) .cse1) (+ (* (mod (+ 4294967295 ~ARR_SIZE~0 (* |ULTIMATE.start_main_~index1~0#1| 4294967295)) 4294967296) .cse0) (- 17179869184) |ULTIMATE.start_main_~#array~0#1.offset| .cse1))) [2021-11-20 23:50:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:03,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:50:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver