./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.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_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/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_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/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_17698f9c-5eda-4973-a2ba-bed3baf47fe5/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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:12:00,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:12:00,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:12:00,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:12:00,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:12:00,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:12:00,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:12:00,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:12:00,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:12:00,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:12:00,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:12:00,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:12:00,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:12:00,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:12:00,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:12:00,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:12:00,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:12:00,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:12:00,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:12:00,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:12:00,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:12:00,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:12:00,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:12:00,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:12:00,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:12:00,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:12:00,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:12:00,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:12:00,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:12:00,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:12:00,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:12:00,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:12:00,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:12:00,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:12:00,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:12:00,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:12:00,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:12:00,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:12:00,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:12:00,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:12:00,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:12:00,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:12:00,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:12:00,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:12:00,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:12:00,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:12:00,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:12:00,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:12:00,614 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:12:00,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:12:00,614 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:12:00,614 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:12:00,616 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:12:00,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:12:00,616 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:12:00,616 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:12:00,617 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:12:00,617 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:12:00,617 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:12:00,618 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:12:00,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:12:00,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:12:00,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:12:00,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:12:00,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:12:00,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:12:00,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:12:00,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:12:00,620 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:12:00,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:12:00,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:12:00,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:12:00,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:12:00,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:12:00,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:12:00,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:12:00,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:12:00,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:12:00,623 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:12:00,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:12:00,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:12:00,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:12:00,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:12:00,624 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_17698f9c-5eda-4973-a2ba-bed3baf47fe5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2021-11-21 01:12:00,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:12:00,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:12:00,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:12:00,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:12:00,958 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:12:00,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-21 01:12:01,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/data/a3d75ba32/47c44150ce5640ea8330e127417e6134/FLAG4a5213766 [2021-11-21 01:12:01,789 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:12:01,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-21 01:12:01,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/data/a3d75ba32/47c44150ce5640ea8330e127417e6134/FLAG4a5213766 [2021-11-21 01:12:01,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/data/a3d75ba32/47c44150ce5640ea8330e127417e6134 [2021-11-21 01:12:01,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:12:01,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:12:01,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:12:01,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:12:01,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:12:01,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:12:01" (1/1) ... [2021-11-21 01:12:01,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0fe869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:01, skipping insertion in model container [2021-11-21 01:12:01,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:12:01" (1/1) ... [2021-11-21 01:12:01,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:12:02,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:12:02,558 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_17698f9c-5eda-4973-a2ba-bed3baf47fe5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-21 01:12:02,659 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_17698f9c-5eda-4973-a2ba-bed3baf47fe5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-21 01:12:02,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:12:02,696 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:12:02,749 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_17698f9c-5eda-4973-a2ba-bed3baf47fe5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-21 01:12:02,814 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_17698f9c-5eda-4973-a2ba-bed3baf47fe5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-21 01:12:02,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:12:02,882 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:12:02,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02 WrapperNode [2021-11-21 01:12:02,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:12:02,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:12:02,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:12:02,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:12:02,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:02,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:02,997 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 884 [2021-11-21 01:12:02,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:12:02,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:12:02,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:12:02,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:12:03,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:03,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:03,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:03,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:03,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:03,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:03,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:03,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:12:03,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:12:03,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:12:03,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:12:03,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (1/1) ... [2021-11-21 01:12:03,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:12:03,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:03,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:12:03,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:12:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:12:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:12:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:12:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:12:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:12:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:12:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:12:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:12:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:12:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:12:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:12:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:12:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:12:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:12:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:12:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:12:03,523 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:12:03,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:12:04,580 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:12:05,012 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:12:05,013 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-21 01:12:05,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:12:05 BoogieIcfgContainer [2021-11-21 01:12:05,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:12:05,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:12:05,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:12:05,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:12:05,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:12:01" (1/3) ... [2021-11-21 01:12:05,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718c8730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:12:05, skipping insertion in model container [2021-11-21 01:12:05,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:12:02" (2/3) ... [2021-11-21 01:12:05,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718c8730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:12:05, skipping insertion in model container [2021-11-21 01:12:05,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:12:05" (3/3) ... [2021-11-21 01:12:05,030 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2021-11-21 01:12:05,038 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:12:05,038 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 01:12:05,112 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:12:05,125 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 [2021-11-21 01:12:05,126 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 01:12:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:12:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:12:05,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:05,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:05,161 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:05,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:05,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1416617355, now seen corresponding path program 1 times [2021-11-21 01:12:05,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:05,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617718767] [2021-11-21 01:12:05,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:05,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:05,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:05,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617718767] [2021-11-21 01:12:05,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617718767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:05,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:05,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:12:05,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63895596] [2021-11-21 01:12:05,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:05,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:12:05,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:05,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:12:05,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:12:05,402 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-21 01:12:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:06,036 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2021-11-21 01:12:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:12:06,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-21 01:12:06,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:06,059 INFO L225 Difference]: With dead ends: 217 [2021-11-21 01:12:06,059 INFO L226 Difference]: Without dead ends: 107 [2021-11-21 01:12:06,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:12:06,067 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:06,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:12:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-21 01:12:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-21 01:12:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:12:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-21 01:12:06,121 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-21 01:12:06,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:06,122 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-21 01:12:06,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-21 01:12:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-21 01:12:06,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:12:06,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:06,125 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] [2021-11-21 01:12:06,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:12:06,126 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:06,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:06,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1000196391, now seen corresponding path program 1 times [2021-11-21 01:12:06,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:06,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972703732] [2021-11-21 01:12:06,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:06,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:06,208 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:06,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972703732] [2021-11-21 01:12:06,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972703732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:06,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:06,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:12:06,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105434820] [2021-11-21 01:12:06,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:06,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:12:06,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:06,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:12:06,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:12:06,214 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-21 01:12:07,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:07,511 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-21 01:12:07,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:12:07,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-21 01:12:07,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:07,520 INFO L225 Difference]: With dead ends: 222 [2021-11-21 01:12:07,521 INFO L226 Difference]: Without dead ends: 168 [2021-11-21 01:12:07,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:12:07,524 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:07,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:12:07,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-21 01:12:07,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-21 01:12:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:12:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-21 01:12:07,546 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-21 01:12:07,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:07,546 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-21 01:12:07,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-21 01:12:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-21 01:12:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 01:12:07,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:07,549 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:07,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:12:07,550 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:07,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:07,551 INFO L85 PathProgramCache]: Analyzing trace with hash -981044614, now seen corresponding path program 1 times [2021-11-21 01:12:07,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:07,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649887811] [2021-11-21 01:12:07,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:07,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:07,576 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:07,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392233340] [2021-11-21 01:12:07,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:07,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:07,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:07,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:07,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:12:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:07,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:12:07,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:08,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:12:08,025 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:08,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649887811] [2021-11-21 01:12:08,026 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:08,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392233340] [2021-11-21 01:12:08,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392233340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:08,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:08,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:12:08,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024568538] [2021-11-21 01:12:08,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:08,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:12:08,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:08,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:12:08,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:12:08,029 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:10,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:12:10,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:10,121 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-21 01:12:10,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:12:10,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-21 01:12:10,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:10,142 INFO L225 Difference]: With dead ends: 260 [2021-11-21 01:12:10,143 INFO L226 Difference]: Without dead ends: 154 [2021-11-21 01:12:10,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:12:10,147 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:10,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:12:10,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-21 01:12:10,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-21 01:12:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:12:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-21 01:12:10,167 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-21 01:12:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:10,168 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-21 01:12:10,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:12:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-21 01:12:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 01:12:10,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:10,171 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:10,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:12:10,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:10,397 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:10,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:10,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2039789200, now seen corresponding path program 1 times [2021-11-21 01:12:10,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:10,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943168439] [2021-11-21 01:12:10,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:10,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:10,438 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:10,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750467510] [2021-11-21 01:12:10,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:10,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:10,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:10,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:12:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:10,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:12:10,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:12:10,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:12:10,908 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:10,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943168439] [2021-11-21 01:12:10,908 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:10,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750467510] [2021-11-21 01:12:10,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750467510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:10,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:10,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:12:10,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059490953] [2021-11-21 01:12:10,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:10,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:12:10,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:10,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:12:10,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:12:10,922 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:12:11,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:11,957 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-21 01:12:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:12:11,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-21 01:12:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:11,959 INFO L225 Difference]: With dead ends: 258 [2021-11-21 01:12:11,959 INFO L226 Difference]: Without dead ends: 122 [2021-11-21 01:12:11,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:12:11,962 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:11,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:12:11,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-21 01:12:11,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-21 01:12:11,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:12:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-21 01:12:11,975 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-21 01:12:11,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:11,976 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-21 01:12:11,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:12:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-21 01:12:11,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:12:11,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:11,979 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:12,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 01:12:12,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:12,198 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:12,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:12,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1917685262, now seen corresponding path program 1 times [2021-11-21 01:12:12,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:12,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814303143] [2021-11-21 01:12:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:12,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:12,244 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:12,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62269863] [2021-11-21 01:12:12,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:12,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:12,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:12,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:12,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:12:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:12,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:12:12,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:12:13,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:12:13,103 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:13,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814303143] [2021-11-21 01:12:13,104 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:13,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62269863] [2021-11-21 01:12:13,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62269863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:12:13,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:12:13,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:12:13,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755155939] [2021-11-21 01:12:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:12:13,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:12:13,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:12:13,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:12:13,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:12:13,108 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:12:14,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:12:14,954 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-21 01:12:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:12:14,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-21 01:12:14,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:12:14,966 INFO L225 Difference]: With dead ends: 227 [2021-11-21 01:12:14,966 INFO L226 Difference]: Without dead ends: 124 [2021-11-21 01:12:14,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:12:14,968 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:12:14,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 01:12:14,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-21 01:12:14,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-21 01:12:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 01:12:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-21 01:12:14,990 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-21 01:12:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:12:14,991 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-21 01:12:14,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:12:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-21 01:12:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:12:14,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:12:14,999 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:12:15,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:12:15,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:15,213 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:12:15,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:12:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash 759391854, now seen corresponding path program 1 times [2021-11-21 01:12:15,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:12:15,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135617130] [2021-11-21 01:12:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:15,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:12:15,232 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:12:15,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45048924] [2021-11-21 01:12:15,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:12:15,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:12:15,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:12:15,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:12:15,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17698f9c-5eda-4973-a2ba-bed3baf47fe5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:12:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:12:17,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:12:17,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:12:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:12:17,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:12:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:12:17,665 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:12:17,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135617130] [2021-11-21 01:12:17,665 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:12:17,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45048924] [2021-11-21 01:12:17,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45048924] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:12:17,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [294866708] [2021-11-21 01:12:17,705 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-21 01:12:17,705 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:12:17,711 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:12:17,723 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:12:17,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:12:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:17,959 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:12:17,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 01:12:17,984 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 15 treesize of output 1 [2021-11-21 01:12:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:17,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:12:18,014 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 15 treesize of output 1 [2021-11-21 01:12:18,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,055 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:12:18,055 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 [2021-11-21 01:12:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,216 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 [2021-11-21 01:12:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,234 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 [2021-11-21 01:12:18,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,279 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:12:18,280 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 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-21 01:12:18,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,391 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:12:18,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:12:18,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:18,472 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:12:18,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 01:12:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-21 01:12:20,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 01:12:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,127 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 [2021-11-21 01:12:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,166 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 [2021-11-21 01:12:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 96 [2021-11-21 01:12:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:12:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,452 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 [2021-11-21 01:12:20,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,556 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 [2021-11-21 01:12:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,670 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:12:20,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:12:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,746 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 [2021-11-21 01:12:20,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,824 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:12:20,825 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 [2021-11-21 01:12:20,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:20,925 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 01:12:20,925 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 [2021-11-21 01:12:21,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:21,050 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 [2021-11-21 01:12:21,656 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 [2021-11-21 01:12:21,665 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 [2021-11-21 01:12:21,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-21 01:12:21,746 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:12:21,746 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 [2021-11-21 01:12:21,780 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:12:21,780 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 [2021-11-21 01:12:21,816 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:12:21,817 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 [2021-11-21 01:12:21,956 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 [2021-11-21 01:12:21,968 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 [2021-11-21 01:12:21,981 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 [2021-11-21 01:12:22,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:12:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,131 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 [2021-11-21 01:12:22,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,233 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 [2021-11-21 01:12:22,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:12:22,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,680 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 [2021-11-21 01:12:22,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:22,718 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 [2021-11-21 01:12:29,911 WARN L227 SmtUtils]: Spent 7.08s 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) [2021-11-21 01:12:29,912 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:12:29,913 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 [2021-11-21 01:12:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:42,396 WARN L227 SmtUtils]: Spent 12.44s 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) [2021-11-21 01:12:42,397 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:12:42,398 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 [2021-11-21 01:12:56,343 WARN L227 SmtUtils]: Spent 13.76s 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) [2021-11-21 01:12:56,344 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:12:56,345 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 [2021-11-21 01:12:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:57,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:57,658 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:12:57,659 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 [2021-11-21 01:12:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:12:58,904 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 01:12:58,905 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 [2021-11-21 01:13:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:01,228 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:13:01,229 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 [2021-11-21 01:13:01,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:01,806 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:13:01,806 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 [2021-11-21 01:13:02,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:13:02,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:02,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:02,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:02,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:02,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:02,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:02,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:02,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:02,865 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-21 01:13:02,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 848 treesize of output 386 [2021-11-21 01:13:03,754 INFO L244 Elim1Store]: Index analysis took 262 ms [2021-11-21 01:13:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:06,033 INFO L354 Elim1Store]: treesize reduction 474, result has 74.3 percent of original size [2021-11-21 01:13:06,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2205 treesize of output 3111 [2021-11-21 01:13:09,154 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:13:09,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 846 treesize of output 854 [2021-11-21 01:13:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:09,947 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:13:10,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:13:11,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:11,122 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 01:13:11,123 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 32 treesize of output 26 [2021-11-21 01:13:11,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:11,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:11,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-21 01:13:11,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:13:16,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:16,213 INFO L190 IndexEqualityManager]: detected not equals via solver