./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:45:13,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:45:13,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:45:13,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:45:13,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:45:13,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:45:13,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:45:13,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:45:13,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:45:13,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:45:13,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:45:13,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:45:13,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:45:13,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:45:13,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:45:13,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:45:13,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:45:13,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:45:13,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:45:13,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:45:13,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:45:13,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:45:13,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:45:13,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:45:13,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:45:13,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:45:13,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:45:13,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:45:13,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:45:13,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:45:13,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:45:13,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:45:13,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:45:13,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:45:13,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:45:13,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:45:13,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:45:13,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:45:13,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:45:13,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:45:13,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:45:13,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 19:45:13,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:45:13,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:45:13,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:45:13,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:45:13,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:45:13,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:45:13,350 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:45:13,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:45:13,351 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:45:13,351 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:45:13,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:45:13,352 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:45:13,352 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:45:13,352 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:45:13,352 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:45:13,353 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:45:13,353 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:45:13,353 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:45:13,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:45:13,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:45:13,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:45:13,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:45:13,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:45:13,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:45:13,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:45:13,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:45:13,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:45:13,356 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 19:45:13,356 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:45:13,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:45:13,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:45:13,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:45:13,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:45:13,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:45:13,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:45:13,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:45:13,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:45:13,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:45:13,359 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:45:13,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:45:13,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:45:13,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:45:13,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:45:13,360 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_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2021-11-25 19:45:13,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:45:13,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:45:13,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:45:13,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:45:13,642 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:45:13,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-25 19:45:13,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/data/e1cdc8a98/3ea5904b7e9f410bb3cdfc60e557f9f8/FLAG1bb484f49 [2021-11-25 19:45:14,269 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:45:14,270 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2021-11-25 19:45:14,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/data/e1cdc8a98/3ea5904b7e9f410bb3cdfc60e557f9f8/FLAG1bb484f49 [2021-11-25 19:45:14,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/data/e1cdc8a98/3ea5904b7e9f410bb3cdfc60e557f9f8 [2021-11-25 19:45:14,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:45:14,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:45:14,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:45:14,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:45:14,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:45:14,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:45:14" (1/1) ... [2021-11-25 19:45:14,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c67d550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:14, skipping insertion in model container [2021-11-25 19:45:14,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:45:14" (1/1) ... [2021-11-25 19:45:14,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:45:14,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:45:14,968 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_e318f819-52ea-4b33-a634-e041fd18ea8c/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-25 19:45:15,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:45:15,042 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:45:15,072 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_e318f819-52ea-4b33-a634-e041fd18ea8c/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i[33021,33034] [2021-11-25 19:45:15,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:45:15,158 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:45:15,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15 WrapperNode [2021-11-25 19:45:15,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:45:15,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:45:15,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:45:15,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:45:15,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,263 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-25 19:45:15,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:45:15,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:45:15,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:45:15,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:45:15,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:45:15,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:45:15,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:45:15,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:45:15,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (1/1) ... [2021-11-25 19:45:15,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:45:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:15,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:45:15,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:45:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:45:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:45:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:45:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:45:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:45:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:45:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:45:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:45:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:45:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:45:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:45:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:45:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:45:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:45:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:45:15,690 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:45:15,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:45:16,589 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:45:16,822 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:45:16,823 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-25 19:45:16,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:45:16 BoogieIcfgContainer [2021-11-25 19:45:16,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:45:16,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:45:16,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:45:16,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:45:16,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:45:14" (1/3) ... [2021-11-25 19:45:16,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d05aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:45:16, skipping insertion in model container [2021-11-25 19:45:16,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:15" (2/3) ... [2021-11-25 19:45:16,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d05aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:45:16, skipping insertion in model container [2021-11-25 19:45:16,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:45:16" (3/3) ... [2021-11-25 19:45:16,834 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2021-11-25 19:45:16,840 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:45:16,840 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-25 19:45:16,887 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:45:16,894 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 [2021-11-25 19:45:16,894 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-25 19:45:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 19:45:16,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 19:45:16,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:16,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 19:45:16,917 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:45:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:16,923 INFO L85 PathProgramCache]: Analyzing trace with hash 538186, now seen corresponding path program 1 times [2021-11-25 19:45:16,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:16,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29849953] [2021-11-25 19:45:16,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:16,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:17,027 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:17,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83725125] [2021-11-25 19:45:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:17,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:17,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:17,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:17,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:45:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:17,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:45:17,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:17,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:17,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:45:17,252 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:17,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29849953] [2021-11-25 19:45:17,253 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:17,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83725125] [2021-11-25 19:45:17,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83725125] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:17,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:17,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 19:45:17,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394381096] [2021-11-25 19:45:17,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:17,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:45:17,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:17,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:45:17,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:45:17,291 INFO L87 Difference]: Start difference. First operand has 89 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 83 states have internal predecessors, (121), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:18,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:18,680 INFO L93 Difference]: Finished difference Result 230 states and 388 transitions. [2021-11-25 19:45:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:45:18,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-25 19:45:18,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:18,703 INFO L225 Difference]: With dead ends: 230 [2021-11-25 19:45:18,704 INFO L226 Difference]: Without dead ends: 141 [2021-11-25 19:45:18,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:45:18,711 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 54 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:18,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 201 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:45:18,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-25 19:45:18,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 89. [2021-11-25 19:45:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 69 states have (on average 1.318840579710145) internal successors, (91), 83 states have internal predecessors, (91), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 19:45:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 117 transitions. [2021-11-25 19:45:18,762 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 117 transitions. Word has length 3 [2021-11-25 19:45:18,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:18,763 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 117 transitions. [2021-11-25 19:45:18,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-25 19:45:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 19:45:18,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:18,766 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:18,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:45:18,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:18,991 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:45:18,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:18,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1093605591, now seen corresponding path program 1 times [2021-11-25 19:45:18,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:18,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006638864] [2021-11-25 19:45:18,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:18,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:19,175 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:19,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1685196760] [2021-11-25 19:45:19,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:19,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:19,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:19,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:19,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:45:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:19,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:45:19,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:19,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:45:19,993 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:19,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006638864] [2021-11-25 19:45:19,994 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:19,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685196760] [2021-11-25 19:45:19,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685196760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:19,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:19,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:45:19,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673365797] [2021-11-25 19:45:19,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:19,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:45:19,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:20,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:45:20,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:45:20,002 INFO L87 Difference]: Start difference. First operand 89 states and 117 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:21,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:21,689 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2021-11-25 19:45:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:45:21,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-25 19:45:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:21,697 INFO L225 Difference]: With dead ends: 141 [2021-11-25 19:45:21,697 INFO L226 Difference]: Without dead ends: 140 [2021-11-25 19:45:21,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:45:21,700 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 32 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:21,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 19:45:21,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-25 19:45:21,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2021-11-25 19:45:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 129 states have internal predecessors, (142), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 19:45:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 174 transitions. [2021-11-25 19:45:21,720 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 174 transitions. Word has length 27 [2021-11-25 19:45:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:21,721 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 174 transitions. [2021-11-25 19:45:21,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-25 19:45:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 19:45:21,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:21,723 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:21,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:45:21,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:21,935 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:45:21,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:21,935 INFO L85 PathProgramCache]: Analyzing trace with hash -457964632, now seen corresponding path program 1 times [2021-11-25 19:45:21,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:21,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472493238] [2021-11-25 19:45:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:21,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:22,076 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:22,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786628275] [2021-11-25 19:45:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:22,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:22,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:22,115 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:22,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:45:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:22,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:45:22,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:22,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:45:22,808 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:22,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472493238] [2021-11-25 19:45:22,808 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:22,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786628275] [2021-11-25 19:45:22,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786628275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:22,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:22,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:45:22,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598324852] [2021-11-25 19:45:22,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:22,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:45:22,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:22,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:45:22,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:45:22,811 INFO L87 Difference]: Start difference. First operand 138 states and 174 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:23,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:23,433 INFO L93 Difference]: Finished difference Result 138 states and 174 transitions. [2021-11-25 19:45:23,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:45:23,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-25 19:45:23,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:23,442 INFO L225 Difference]: With dead ends: 138 [2021-11-25 19:45:23,442 INFO L226 Difference]: Without dead ends: 137 [2021-11-25 19:45:23,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:45:23,444 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:23,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-25 19:45:23,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-25 19:45:23,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-25 19:45:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2260869565217392) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 19:45:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-25 19:45:23,462 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 28 [2021-11-25 19:45:23,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:23,463 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-25 19:45:23,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-25 19:45:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 19:45:23,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:23,465 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:23,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:45:23,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:23,683 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:45:23,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:23,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2017329836, now seen corresponding path program 1 times [2021-11-25 19:45:23,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:23,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372533353] [2021-11-25 19:45:23,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:23,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:23,832 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:23,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766182032] [2021-11-25 19:45:23,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:23,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:23,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:23,839 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:23,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:45:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:24,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:45:24,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:24,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:45:24,627 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:24,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372533353] [2021-11-25 19:45:24,627 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:24,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766182032] [2021-11-25 19:45:24,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766182032] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:24,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:24,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:45:24,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551338861] [2021-11-25 19:45:24,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:24,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:45:24,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:24,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:45:24,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:45:24,630 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:25,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:25,981 INFO L93 Difference]: Finished difference Result 246 states and 314 transitions. [2021-11-25 19:45:25,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:45:25,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 19:45:25,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:25,988 INFO L225 Difference]: With dead ends: 246 [2021-11-25 19:45:25,988 INFO L226 Difference]: Without dead ends: 135 [2021-11-25 19:45:25,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:45:25,990 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:25,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 19:45:25,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-25 19:45:26,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-25 19:45:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 113 states have (on average 1.2212389380530972) internal successors, (138), 126 states have internal predecessors, (138), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 19:45:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2021-11-25 19:45:26,017 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 30 [2021-11-25 19:45:26,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:26,017 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2021-11-25 19:45:26,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:45:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2021-11-25 19:45:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 19:45:26,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:26,020 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:26,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:45:26,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:26,221 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:45:26,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:26,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1320081689, now seen corresponding path program 1 times [2021-11-25 19:45:26,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:26,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780529888] [2021-11-25 19:45:26,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:26,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:26,289 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:26,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1880678359] [2021-11-25 19:45:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:26,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:26,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:26,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:26,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 19:45:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:27,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:45:27,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 19:45:27,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:45:27,487 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:27,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780529888] [2021-11-25 19:45:27,487 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:27,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880678359] [2021-11-25 19:45:27,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880678359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:27,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:27,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:45:27,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610886370] [2021-11-25 19:45:27,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:27,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:45:27,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:27,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:45:27,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:45:27,490 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:45:28,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:28,566 INFO L93 Difference]: Finished difference Result 252 states and 326 transitions. [2021-11-25 19:45:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:45:28,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2021-11-25 19:45:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:28,574 INFO L225 Difference]: With dead ends: 252 [2021-11-25 19:45:28,574 INFO L226 Difference]: Without dead ends: 137 [2021-11-25 19:45:28,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:45:28,578 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:28,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 19:45:28,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-11-25 19:45:28,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-11-25 19:45:28,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 128 states have internal predecessors, (140), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 7 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-25 19:45:28,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2021-11-25 19:45:28,594 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 43 [2021-11-25 19:45:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:28,595 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2021-11-25 19:45:28,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:45:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-25 19:45:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 19:45:28,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:28,597 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:28,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 19:45:28,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:28,811 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-25 19:45:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:28,811 INFO L85 PathProgramCache]: Analyzing trace with hash 198198289, now seen corresponding path program 1 times [2021-11-25 19:45:28,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:28,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277654629] [2021-11-25 19:45:28,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:28,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:28,855 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:28,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1562281294] [2021-11-25 19:45:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:28,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:28,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:28,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:28,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e318f819-52ea-4b33-a634-e041fd18ea8c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 19:45:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:29,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:45:29,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:45:29,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:45:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:45:29,886 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:29,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277654629] [2021-11-25 19:45:29,887 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:29,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562281294] [2021-11-25 19:45:29,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562281294] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:45:29,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [992163822] [2021-11-25 19:45:29,907 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-25 19:45:29,908 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:45:29,912 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:45:29,918 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:45:29,918 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:45:30,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:45:30,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 19:45:30,075 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:45:30,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 19:45:30,119 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:45:30,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 19:45:30,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 19:45:30,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-25 19:45:30,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 19:45:30,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 19:45:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:45:30,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 55 treesize of output 66 [2021-11-25 19:45:30,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 19:45:30,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 19:45:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:45:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 19:45:30,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:45:30,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:45:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 19:45:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:45:30,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 19:45:30,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2021-11-25 19:45:30,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:30,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 44 treesize of output 47 [2021-11-25 19:45:30,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:45:30,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 19:45:30,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:45:31,021 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:45:31,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2021-11-25 19:45:31,054 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:45:31,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2021-11-25 19:45:31,082 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:45:31,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 19:45:31,119 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 [2021-11-25 19:45:31,124 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 14 treesize of output 10 [2021-11-25 19:45:31,129 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 14 treesize of output 10 [2021-11-25 19:45:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 19:45:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:45:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:45:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:45:31,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:45:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:31,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 19:45:37,225 WARN L227 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:45:37,226 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:45:37,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:45:37,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,292 WARN L227 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:45:45,293 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:45:45,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:45:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,817 INFO L244 Elim1Store]: Index analysis took 296 ms [2021-11-25 19:45:56,886 WARN L227 SmtUtils]: Spent 10.86s on a formula simplification. DAG size of input: 244 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:45:56,890 INFO L354 Elim1Store]: treesize reduction 2566, result has 31.1 percent of original size [2021-11-25 19:45:56,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 1377 [2021-11-25 19:45:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:57,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:57,608 INFO L244 Elim1Store]: Index analysis took 232 ms [2021-11-25 19:45:58,520 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 19:45:58,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 37 treesize of output 65 [2021-11-25 19:45:58,851 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-25 19:45:58,862 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:45:58,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 38 [2021-11-25 19:45:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,439 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-25 19:45:59,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-25 19:45:59,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:59,853 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:45:59,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-25 19:45:59,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:45:59,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:00,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-25 19:46:00,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:00,320 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-25 19:46:00,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-25 19:46:00,654 INFO L244 Elim1Store]: Index analysis took 180 ms [2021-11-25 19:46:00,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:02,400 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:46:02,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 17608 treesize of output 18292 [2021-11-25 19:46:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:18,000 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:46:18,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-25 19:46:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:18,131 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 19:46:18,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-25 19:46:18,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:18,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:18,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:18,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:18,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 28 [2021-11-25 19:46:18,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver