./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7 --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 c78ec383567aee735f8895b5666134248c3b9de1b96295d83b3c1c6979534c2b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:51:16,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:51:16,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:51:16,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:51:16,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:51:16,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:51:16,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:51:16,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:51:16,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:51:16,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:51:16,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:51:16,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:51:16,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:51:16,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:51:16,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:51:16,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:51:16,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:51:16,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:51:16,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:51:16,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:51:16,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:51:16,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:51:16,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:51:16,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:51:16,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:51:16,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:51:16,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:51:16,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:51:16,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:51:16,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:51:16,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:51:16,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:51:16,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:51:16,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:51:16,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:51:16,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:51:16,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:51:16,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:51:16,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:51:16,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:51:16,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:51:16,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:51:16,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:51:16,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:51:16,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:51:16,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:51:16,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:51:16,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:51:16,691 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:51:16,692 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:51:16,692 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:51:16,692 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:51:16,693 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:51:16,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:51:16,694 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:51:16,694 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:51:16,694 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:51:16,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:51:16,695 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:51:16,695 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:51:16,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:51:16,696 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:51:16,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:51:16,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:51:16,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:51:16,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:51:16,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:51:16,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:51:16,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:51:16,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:51:16,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:51:16,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:51:16,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:51:16,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:51:16,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:51:16,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:51:16,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:51:16,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:51:16,702 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:51:16,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:51:16,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:51:16,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:51:16,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:51:16,703 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_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c78ec383567aee735f8895b5666134248c3b9de1b96295d83b3c1c6979534c2b [2021-11-25 18:51:16,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:51:16,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:51:16,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:51:16,986 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:51:16,987 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:51:16,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2021-11-25 18:51:17,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/data/acbddc626/d72332089d0e42d3be4622322e4de74f/FLAGa0df1ab03 [2021-11-25 18:51:17,720 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:51:17,721 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i [2021-11-25 18:51:17,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/data/acbddc626/d72332089d0e42d3be4622322e4de74f/FLAGa0df1ab03 [2021-11-25 18:51:17,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/data/acbddc626/d72332089d0e42d3be4622322e4de74f [2021-11-25 18:51:17,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:51:17,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:51:17,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:51:17,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:51:17,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:51:17,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:51:17" (1/1) ... [2021-11-25 18:51:17,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648e00b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:17, skipping insertion in model container [2021-11-25 18:51:17,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:51:17" (1/1) ... [2021-11-25 18:51:17,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:51:18,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:51:18,403 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_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[33021,33034] [2021-11-25 18:51:18,518 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_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[49681,49694] [2021-11-25 18:51:18,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:51:18,553 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:51:18,602 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_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[33021,33034] [2021-11-25 18:51:18,708 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_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-2.i[49681,49694] [2021-11-25 18:51:18,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:51:18,752 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:51:18,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18 WrapperNode [2021-11-25 18:51:18,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:51:18,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:51:18,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:51:18,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:51:18,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:18,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:18,933 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-25 18:51:18,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:51:18,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:51:18,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:51:18,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:51:18,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:18,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:18,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:18,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:19,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:19,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:19,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:19,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:51:19,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:51:19,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:51:19,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:51:19,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (1/1) ... [2021-11-25 18:51:19,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:51:19,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:19,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:51:19,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:51:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:51:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:51:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:51:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:51:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:51:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:51:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:51:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:51:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:51:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:51:19,565 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:51:19,566 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:51:20,920 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:51:21,454 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:51:21,454 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-25 18:51:21,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:21 BoogieIcfgContainer [2021-11-25 18:51:21,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:51:21,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:51:21,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:51:21,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:51:21,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:51:17" (1/3) ... [2021-11-25 18:51:21,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6981e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:21, skipping insertion in model container [2021-11-25 18:51:21,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:51:18" (2/3) ... [2021-11-25 18:51:21,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6981e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:21, skipping insertion in model container [2021-11-25 18:51:21,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:21" (3/3) ... [2021-11-25 18:51:21,466 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-2.i [2021-11-25 18:51:21,473 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:51:21,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:51:21,541 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:51:21,561 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:51:21,561 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:51:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:51:21,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 18:51:21,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:21,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-25 18:51:21,592 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:21,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:21,597 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-25 18:51:21,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:21,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232821747] [2021-11-25 18:51:21,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:21,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:51:21,814 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:21,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232821747] [2021-11-25 18:51:21,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232821747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:21,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:51:21,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:51:21,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51824912] [2021-11-25 18:51:21,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:21,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:51:21,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:21,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:51:21,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:21,860 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:51:23,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:23,853 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-25 18:51:23,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:51:23,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-25 18:51:23,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:23,876 INFO L225 Difference]: With dead ends: 469 [2021-11-25 18:51:23,876 INFO L226 Difference]: Without dead ends: 290 [2021-11-25 18:51:23,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:51:23,883 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:23,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:51:23,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-25 18:51:23,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-25 18:51:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:51:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-25 18:51:23,943 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-25 18:51:23,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:23,943 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-25 18:51:23,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:51:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-25 18:51:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 18:51:23,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:23,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:51:23,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:51:23,948 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:23,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:23,949 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-25 18:51:23,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:23,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663980299] [2021-11-25 18:51:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:23,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:24,197 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:51:24,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210947844] [2021-11-25 18:51:24,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:24,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:24,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:51:24,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:51:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:25,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 3095 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:51:25,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:51:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:51:25,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:51:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:51:25,780 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:25,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663980299] [2021-11-25 18:51:25,781 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:51:25,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210947844] [2021-11-25 18:51:25,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210947844] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:51:25,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1942474220] [2021-11-25 18:51:25,804 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-25 18:51:25,804 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:51:25,809 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:51:25,815 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:51:25,815 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:51:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:25,982 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:51:25,983 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 [2021-11-25 18:51:25,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:51:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,125 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:51:26,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:51:26,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 18:51:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:51:26,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 18:51:26,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:51:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 18:51:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:51:26,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:51:26,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:26,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:26,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:26,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:27,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:51:27,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:27,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:51:27,074 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:51:28,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1942474220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:28,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:51:28,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 18:51:28,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235991985] [2021-11-25 18:51:28,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:28,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:51:28,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:28,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:51:28,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:51:28,391 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:51:31,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:51:31,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:31,485 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-25 18:51:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:51:31,486 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-25 18:51:31,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:31,488 INFO L225 Difference]: With dead ends: 313 [2021-11-25 18:51:31,488 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 18:51:31,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:51:31,491 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:31,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 18:51:31,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 18:51:31,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-25 18:51:31,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:51:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-25 18:51:31,522 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-25 18:51:31,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:31,523 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-25 18:51:31,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:51:31,525 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-25 18:51:31,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 18:51:31,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:31,529 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:51:31,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:51:31,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:31,743 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:31,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:31,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-25 18:51:31,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:31,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950676577] [2021-11-25 18:51:31,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:31,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:31,878 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:51:31,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784950803] [2021-11-25 18:51:31,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:31,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:31,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:31,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:51:31,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:51:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:32,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:51:32,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:51:33,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:51:33,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:51:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:51:33,248 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:33,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950676577] [2021-11-25 18:51:33,249 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:51:33,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784950803] [2021-11-25 18:51:33,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784950803] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:51:33,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [601720953] [2021-11-25 18:51:33,254 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 18:51:33,254 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:51:33,255 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:51:33,255 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:51:33,255 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:51:33,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,350 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:51:33,350 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 [2021-11-25 18:51:33,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:51:33,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,413 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:51:33,414 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 18:51:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,431 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 [2021-11-25 18:51:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,446 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 [2021-11-25 18:51:33,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:51:33,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,474 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:51:33,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 18:51:33,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,522 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:51:33,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:51:33,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:51:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:33,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:51:34,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:51:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 18:51:34,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:51:34,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:51:34,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:51:34,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,252 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:51:34,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 18:51:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:51:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:51:34,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:51:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:51:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:51:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:51:34,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 18:51:34,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:51:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:34,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:51:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:51:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:51:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:35,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:51:35,307 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 113 for LOIs [2021-11-25 18:51:35,379 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:51:37,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [601720953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:37,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:51:37,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 18:51:37,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385129125] [2021-11-25 18:51:37,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:37,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:51:37,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:37,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:51:37,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:51:37,567 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:51:42,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:51:45,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:51:46,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:46,376 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-25 18:51:46,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:51:46,377 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-25 18:51:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:46,379 INFO L225 Difference]: With dead ends: 315 [2021-11-25 18:51:46,379 INFO L226 Difference]: Without dead ends: 166 [2021-11-25 18:51:46,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:51:46,382 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:46,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 314 Invalid, 0 Unknown, 81 Unchecked, 8.8s Time] [2021-11-25 18:51:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-25 18:51:46,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-25 18:51:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 18:51:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-25 18:51:46,401 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-25 18:51:46,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:46,402 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-25 18:51:46,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:51:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-25 18:51:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 18:51:46,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:46,405 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:51:46,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:51:46,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:46,626 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:51:46,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-25 18:51:46,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:46,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886386018] [2021-11-25 18:51:46,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:46,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:46,760 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:51:46,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574306844] [2021-11-25 18:51:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:46,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:51:46,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:51:46,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:51:46,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4bbf44f-a779-42c5-91d4-a6feff39c0aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:51:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:47,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:51:47,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:51:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:51:47,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:51:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 18:51:48,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:48,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886386018] [2021-11-25 18:51:48,140 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:51:48,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574306844] [2021-11-25 18:51:48,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574306844] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:51:48,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [219863260] [2021-11-25 18:51:48,145 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 18:51:48,145 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:51:48,146 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:51:48,146 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:51:48,146 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:51:48,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,239 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:51:48,239 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 [2021-11-25 18:51:48,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:51:48,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,277 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 [2021-11-25 18:51:48,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,307 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:51:48,308 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 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 18:51:48,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,323 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 [2021-11-25 18:51:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,358 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:51:48,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:51:48,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:51:48,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 18:51:48,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:51:48,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:51:48,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:51:48,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:51:48,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 18:51:48,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:51:48,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:51:48,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:51:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:51:48,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:51:48,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:48,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 18:51:49,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:51:49,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:51:49,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:51:49,113 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 18:51:49,113 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 57 treesize of output 60 [2021-11-25 18:51:49,143 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:51:49,143 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 51 treesize of output 54 [2021-11-25 18:51:49,172 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 18:51:49,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 18:51:49,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:51:49,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:51:49,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:51:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 18:51:49,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:51:49,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:51:49,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 18:51:49,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 18:51:49,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:51:49,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:51:59,108 WARN L227 SmtUtils]: Spent 9.48s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:51:59,108 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:51:59,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:51:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:08,864 WARN L227 SmtUtils]: Spent 9.60s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:52:08,865 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:52:08,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:52:09,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:09,495 INFO L244 Elim1Store]: Index analysis took 501 ms [2021-11-25 18:52:19,837 WARN L227 SmtUtils]: Spent 10.03s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:52:19,838 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:52:19,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:52:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,414 INFO L244 Elim1Store]: Index analysis took 159 ms [2021-11-25 18:52:20,427 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:52:20,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:52:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:20,775 INFO L244 Elim1Store]: Index analysis took 206 ms [2021-11-25 18:52:20,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 18:52:21,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:21,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,375 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:52:21,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:52:21,405 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:21,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:52:21,775 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:52:21,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63