./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1bbae792ec9c8e2e546dc04f3672720af98ce14b9bd37d0d7647e79ce45565 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:46,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:46,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:46,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:46,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:46,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:46,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:46,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:46,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:46,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:46,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:46,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:46,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:46,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:46,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:46,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:46,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:46,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:46,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:46,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:46,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:46,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:46,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:46,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:46,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:46,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:46,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:46,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:46,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:46,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:46,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:46,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:46,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:46,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:46,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:46,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:46,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:46,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:46,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:46,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:46,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:46,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-20 23:32:46,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:46,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:46,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:46,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:46,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:46,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:46,545 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:46,545 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:46,546 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:46,546 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:32:46,547 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:46,547 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:46,548 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:32:46,548 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:32:46,548 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:46,548 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:32:46,549 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:32:46,549 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:32:46,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:46,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:32:46,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:46,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:32:46,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:46,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:46,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:46,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:46,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:32:46,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:46,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:46,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:46,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:46,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:46,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:46,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:46,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:46,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:46,556 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:32:46,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:32:46,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:46,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:46,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:46,558 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_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1bbae792ec9c8e2e546dc04f3672720af98ce14b9bd37d0d7647e79ce45565 [2021-11-20 23:32:46,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:46,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:46,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:46,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:46,930 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:46,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i [2021-11-20 23:32:47,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/data/858b1e94a/5540c67b5f6548dbadd842f53aab691b/FLAGd5f20ceef [2021-11-20 23:32:47,702 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:47,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i [2021-11-20 23:32:47,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/data/858b1e94a/5540c67b5f6548dbadd842f53aab691b/FLAGd5f20ceef [2021-11-20 23:32:47,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/data/858b1e94a/5540c67b5f6548dbadd842f53aab691b [2021-11-20 23:32:47,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:47,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:47,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:47,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:47,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:47,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:47" (1/1) ... [2021-11-20 23:32:47,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5389a246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:47, skipping insertion in model container [2021-11-20 23:32:47,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:47" (1/1) ... [2021-11-20 23:32:47,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:47,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:48,377 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_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[33021,33034] [2021-11-20 23:32:48,500 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_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[49681,49694] [2021-11-20 23:32:48,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:48,527 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:48,572 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_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[33021,33034] [2021-11-20 23:32:48,704 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_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-2.i[49681,49694] [2021-11-20 23:32:48,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:48,766 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:48,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48 WrapperNode [2021-11-20 23:32:48,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:48,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:48,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:48,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:48,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:48,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:48,965 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-20 23:32:48,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:48,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:48,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:48,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:48,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:48,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:49,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:49,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:49,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:49,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:49,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:49,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:49,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:49,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:49,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:49,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (1/1) ... [2021-11-20 23:32:49,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:49,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:49,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:49,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:32:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:32:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:32:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:32:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:32:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:32:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:32:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:32:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:32:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:32:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:32:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:49,592 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:49,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:32:51,099 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:32:51,663 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:32:51,663 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-20 23:32:51,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:51 BoogieIcfgContainer [2021-11-20 23:32:51,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:32:51,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:32:51,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:32:51,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:32:51,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:47" (1/3) ... [2021-11-20 23:32:51,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e17ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:51, skipping insertion in model container [2021-11-20 23:32:51,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:48" (2/3) ... [2021-11-20 23:32:51,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e17ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:51, skipping insertion in model container [2021-11-20 23:32:51,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:51" (3/3) ... [2021-11-20 23:32:51,679 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-2.i [2021-11-20 23:32:51,686 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:32:51,687 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 23:32:51,750 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:32:51,768 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:32:51,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 23:32:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 23:32:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-20 23:32:51,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:51,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-20 23:32:51,802 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:51,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:51,808 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-20 23:32:51,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:51,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037685977] [2021-11-20 23:32:51,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:51,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:51,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:51,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037685977] [2021-11-20 23:32:51,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037685977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:51,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:51,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:51,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541650054] [2021-11-20 23:32:51,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:51,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:51,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:52,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:52,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:52,026 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-20 23:32:54,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:54,088 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-20 23:32:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:54,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-20 23:32:54,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:54,122 INFO L225 Difference]: With dead ends: 469 [2021-11-20 23:32:54,122 INFO L226 Difference]: Without dead ends: 290 [2021-11-20 23:32:54,127 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 [2021-11-20 23:32:54,130 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:54,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 23:32:54,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-20 23:32:54,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-20 23:32:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 23:32:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-20 23:32:54,196 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-20 23:32:54,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:54,197 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-20 23:32:54,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-20 23:32:54,197 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-20 23:32:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-20 23:32:54,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:54,204 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:54,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:32:54,204 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:54,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:54,205 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-20 23:32:54,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:54,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774736235] [2021-11-20 23:32:54,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:54,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:54,242 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:32:54,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678780515] [2021-11-20 23:32:54,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:54,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:54,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:54,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:54,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:32:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:54,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:54,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:54,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:32:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:55,029 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:55,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774736235] [2021-11-20 23:32:55,029 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:32:55,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678780515] [2021-11-20 23:32:55,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678780515] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:32:55,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2123156385] [2021-11-20 23:32:55,076 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-20 23:32:55,077 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:32:55,081 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:32:55,090 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:32:55,092 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:32:55,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,321 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:32:55,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 23:32:55,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:32:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:32:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:32:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,484 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:32:55,484 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-20 23:32:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,562 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:32:55,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:32:55,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 23:32:55,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:55,672 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 22 treesize of output 7 [2021-11-20 23:32:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,180 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 29 treesize of output 19 [2021-11-20 23:32:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,226 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 29 treesize of output 19 [2021-11-20 23:32:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:32:57,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:57,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:32:58,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:32:58,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:32:58,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,611 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 29 treesize of output 19 [2021-11-20 23:32:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:32:58,648 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 29 treesize of output 19 [2021-11-20 23:32:58,668 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:32:59,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2123156385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:59,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:32:59,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-20 23:32:59,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835823049] [2021-11-20 23:32:59,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:59,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:32:59,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:59,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:32:59,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:32:59,358 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-11-20 23:33:02,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:33:02,153 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-20 23:33:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:33:02,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-11-20 23:33:02,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:33:02,155 INFO L225 Difference]: With dead ends: 313 [2021-11-20 23:33:02,155 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:33:02,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:33:02,158 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:33:02,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-20 23:33:02,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:33:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-20 23:33:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 23:33:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-20 23:33:02,182 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-20 23:33:02,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:33:02,183 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-20 23:33:02,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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) [2021-11-20 23:33:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-20 23:33:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-20 23:33:02,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:02,187 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:33:02,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 23:33:02,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:33:02,388 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:02,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:02,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-20 23:33:02,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:33:02,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569052993] [2021-11-20 23:33:02,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:02,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:33:02,425 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:33:02,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [474660151] [2021-11-20 23:33:02,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:02,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:33:02,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:33:02,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:33:02,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:33:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:33:02,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:33:02,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:33:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:33:02,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:33:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:33:03,149 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:33:03,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569052993] [2021-11-20 23:33:03,150 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:33:03,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474660151] [2021-11-20 23:33:03,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474660151] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:33:03,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1379903239] [2021-11-20 23:33:03,155 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-20 23:33:03,155 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:33:03,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:33:03,156 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:33:03,157 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:33:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,304 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:33:03,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 23:33:03,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:33:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:33:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,440 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:33:03,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 23:33:03,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:33:03,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,559 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:33:03,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:33:03,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:03,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:33:03,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 23:33:04,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:33:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:04,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:33:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,043 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 29 treesize of output 19 [2021-11-20 23:33:05,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,085 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 29 treesize of output 19 [2021-11-20 23:33:05,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 23:33:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:33:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:33:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,488 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:33:05,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:33:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-20 23:33:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:33:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,729 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-20 23:33:05,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-20 23:33:05,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:05,816 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:33:05,817 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 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-20 23:33:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,598 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 29 treesize of output 19 [2021-11-20 23:33:07,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,636 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 29 treesize of output 19 [2021-11-20 23:33:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:33:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:33:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:33:07,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 23:33:07,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:07,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:33:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:33:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,108 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:33:08,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:33:08,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,191 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 23:33:08,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:33:08,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 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 [2021-11-20 23:33:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:08,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-20 23:33:09,348 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 101 for LOIs [2021-11-20 23:33:09,651 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-20 23:33:10,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1379903239] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:33:10,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:33:10,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-20 23:33:10,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076523451] [2021-11-20 23:33:10,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:33:10,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 23:33:10,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:33:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 23:33:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:33:10,950 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:33:14,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:33:17,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:33:17,196 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-20 23:33:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 23:33:17,197 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-20 23:33:17,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:33:17,199 INFO L225 Difference]: With dead ends: 315 [2021-11-20 23:33:17,199 INFO L226 Difference]: Without dead ends: 166 [2021-11-20 23:33:17,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-20 23:33:17,201 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:33:17,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 314 Invalid, 0 Unknown, 81 Unchecked, 6.2s Time] [2021-11-20 23:33:17,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-20 23:33:17,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-20 23:33:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 23:33:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-20 23:33:17,223 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-20 23:33:17,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:33:17,223 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-20 23:33:17,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:33:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-20 23:33:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 23:33:17,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:33:17,227 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:33:17,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:33:17,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-20 23:33:17,442 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:33:17,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:33:17,443 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-20 23:33:17,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:33:17,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597523181] [2021-11-20 23:33:17,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:17,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:33:17,468 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:33:17,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081428684] [2021-11-20 23:33:17,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:33:17,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:33:17,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:33:17,471 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:33:17,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4bb56a-d276-45a7-968b-cdf3a2ee80ad/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:33:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:33:17,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:33:17,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:33:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:33:17,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:33:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-20 23:33:18,117 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:33:18,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597523181] [2021-11-20 23:33:18,117 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:33:18,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081428684] [2021-11-20 23:33:18,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081428684] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:33:18,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [181757962] [2021-11-20 23:33:18,122 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-20 23:33:18,122 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:33:18,122 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:33:18,123 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:33:18,123 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:33:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,221 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:33:18,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 23:33:18,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:33:18,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,330 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:33:18,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 23:33:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,396 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:33:18,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:33:18,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:33:18,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-20 23:33:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:33:18,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:18,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-20 23:33:19,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:33:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:33:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,814 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 29 treesize of output 19 [2021-11-20 23:33:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,865 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 29 treesize of output 19 [2021-11-20 23:33:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:19,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:33:20,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2021-11-20 23:33:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-20 23:33:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,203 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:33:20,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:33:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:33:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,352 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:33:20,353 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 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:33:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,447 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-20 23:33:20,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:33:20,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:20,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 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 [2021-11-20 23:33:21,190 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 [2021-11-20 23:33:21,198 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 [2021-11-20 23:33:21,206 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 [2021-11-20 23:33:21,264 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:33:21,265 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 85 treesize of output 88 [2021-11-20 23:33:21,293 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:33:21,294 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 88 treesize of output 91 [2021-11-20 23:33:21,319 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:33:21,319 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 91 treesize of output 94 [2021-11-20 23:33:21,426 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 [2021-11-20 23:33:21,436 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 [2021-11-20 23:33:21,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 23:33:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:33:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:33:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 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 [2021-11-20 23:33:21,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:21,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:33:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:33:22,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:22,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 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 [2021-11-20 23:33:30,605 WARN L227 SmtUtils]: Spent 8.35s 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) [2021-11-20 23:33:30,606 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:33:30,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:33:30,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:41,666 WARN L227 SmtUtils]: Spent 11.03s 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) [2021-11-20 23:33:41,666 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:33:41,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:33:52,931 WARN L227 SmtUtils]: Spent 11.12s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:33:52,932 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 23:33:52,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-20 23:33:53,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:53,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:54,061 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:33:54,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25950 treesize of output 25964 [2021-11-20 23:33:54,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:55,093 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:33:55,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25949 treesize of output 25964 [2021-11-20 23:33:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:56,864 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 23:33:56,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-20 23:33:57,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:33:57,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:33:57,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:58,035 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 23:33:58,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44