./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:54:27,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:54:27,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:54:27,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:54:27,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:54:27,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:54:27,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:54:27,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:54:27,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:54:27,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:54:27,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:54:27,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:54:27,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:54:27,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:54:27,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:54:27,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:54:27,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:54:27,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:54:27,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:54:27,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:54:27,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:54:27,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:54:27,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:54:27,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:54:27,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:54:27,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:54:27,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:54:27,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:54:27,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:54:27,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:54:27,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:54:27,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:54:27,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:54:27,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:54:27,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:54:27,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:54:27,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:54:27,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:54:27,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:54:27,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:54:27,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:54:27,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 06:54:27,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:54:27,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:54:27,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:54:27,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:54:27,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:54:27,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:54:27,664 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:54:27,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:54:27,665 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:54:27,665 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:54:27,665 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:54:27,665 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:54:27,666 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:54:27,666 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:54:27,666 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:54:27,666 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:54:27,667 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:54:27,667 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:54:27,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:54:27,668 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:54:27,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:54:27,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:54:27,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:54:27,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:54:27,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:54:27,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:54:27,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:54:27,670 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 06:54:27,670 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:54:27,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:54:27,670 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:54:27,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:54:27,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:54:27,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:54:27,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:54:27,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:54:27,672 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:54:27,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:54:27,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:54:27,672 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:54:27,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:54:27,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:54:27,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:54:27,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d993ff45e37665d9abd93530677e1201b0648bf8ee13fa84b0c68926f580d988 [2022-11-19 06:54:27,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:54:27,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:54:27,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:54:27,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:54:27,934 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:54:27,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2022-11-19 06:54:27,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/data/0de643116/335dff101a3342c2814621c94ceb7597/FLAG9910a99a6 [2022-11-19 06:54:28,656 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:54:28,657 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i [2022-11-19 06:54:28,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/data/0de643116/335dff101a3342c2814621c94ceb7597/FLAG9910a99a6 [2022-11-19 06:54:28,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/data/0de643116/335dff101a3342c2814621c94ceb7597 [2022-11-19 06:54:28,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:54:28,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:54:28,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:54:28,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:54:28,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:54:28,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:54:28" (1/1) ... [2022-11-19 06:54:28,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54999636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:28, skipping insertion in model container [2022-11-19 06:54:28,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:54:28" (1/1) ... [2022-11-19 06:54:28,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:54:28,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:54:29,541 WARN L234 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_81da6f7a-a5e9-437b-bdc5-51032232f6bd/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2022-11-19 06:54:29,848 WARN L234 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_81da6f7a-a5e9-437b-bdc5-51032232f6bd/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2022-11-19 06:54:29,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:54:29,875 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:54:29,900 WARN L234 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_81da6f7a-a5e9-437b-bdc5-51032232f6bd/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[33021,33034] [2022-11-19 06:54:30,007 WARN L234 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_81da6f7a-a5e9-437b-bdc5-51032232f6bd/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test9-2.i[84583,84596] [2022-11-19 06:54:30,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:54:30,065 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:54:30,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30 WrapperNode [2022-11-19 06:54:30,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:54:30,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:54:30,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:54:30,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:54:30,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,239 INFO L138 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3023 [2022-11-19 06:54:30,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:54:30,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:54:30,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:54:30,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:54:30,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:54:30,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:54:30,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:54:30,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:54:30,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (1/1) ... [2022-11-19 06:54:30,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:54:30,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:54:30,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:54:30,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:54:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:54:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 06:54:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 06:54:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:54:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:54:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:54:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:54:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:54:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:54:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:54:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 06:54:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:54:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:54:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:54:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:54:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:54:30,911 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:54:30,913 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:54:33,760 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:54:34,315 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:54:34,316 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-11-19 06:54:34,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:54:34 BoogieIcfgContainer [2022-11-19 06:54:34,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:54:34,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:54:34,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:54:34,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:54:34,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:54:28" (1/3) ... [2022-11-19 06:54:34,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc3b171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:54:34, skipping insertion in model container [2022-11-19 06:54:34,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:54:30" (2/3) ... [2022-11-19 06:54:34,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc3b171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:54:34, skipping insertion in model container [2022-11-19 06:54:34,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:54:34" (3/3) ... [2022-11-19 06:54:34,348 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test9-2.i [2022-11-19 06:54:34,368 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:54:34,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 06:54:34,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:54:34,500 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16664312, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:54:34,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 06:54:34,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 06:54:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 06:54:34,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:34,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 06:54:34,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:54:34,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:34,527 INFO L85 PathProgramCache]: Analyzing trace with hash 144561211, now seen corresponding path program 1 times [2022-11-19 06:54:34,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:34,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330006267] [2022-11-19 06:54:34,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:34,684 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:54:34,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051384935] [2022-11-19 06:54:34,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:34,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:54:34,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:54:34,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:54:34,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:54:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:34,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 06:54:34,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:54:35,007 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:54:35,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:35,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 06:54:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:54:35,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:54:35,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:54:35,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330006267] [2022-11-19 06:54:35,081 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:54:35,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051384935] [2022-11-19 06:54:35,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051384935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:54:35,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:54:35,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:54:35,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942772746] [2022-11-19 06:54:35,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:54:35,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:54:35,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:54:35,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:54:35,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:54:35,136 INFO L87 Difference]: Start difference. First operand has 1123 states, 609 states have (on average 1.9655172413793103) internal successors, (1197), 1117 states have internal predecessors, (1197), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-19 06:54:38,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:38,303 INFO L93 Difference]: Finished difference Result 3311 states and 6521 transitions. [2022-11-19 06:54:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:54:38,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-19 06:54:38,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:38,353 INFO L225 Difference]: With dead ends: 3311 [2022-11-19 06:54:38,353 INFO L226 Difference]: Without dead ends: 2167 [2022-11-19 06:54:38,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:54:38,368 INFO L413 NwaCegarLoop]: 2606 mSDtfsCounter, 1071 mSDsluCounter, 4193 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 6799 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:38,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 6799 Invalid, 627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-19 06:54:38,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-11-19 06:54:38,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1111. [2022-11-19 06:54:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.874581939799331) internal successors, (1121), 1105 states have internal predecessors, (1121), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 06:54:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2127 transitions. [2022-11-19 06:54:38,981 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2127 transitions. Word has length 4 [2022-11-19 06:54:38,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:54:38,982 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2127 transitions. [2022-11-19 06:54:38,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-19 06:54:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2127 transitions. [2022-11-19 06:54:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 06:54:38,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:38,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:54:39,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:54:39,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 06:54:39,192 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:54:39,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:39,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1223177019, now seen corresponding path program 1 times [2022-11-19 06:54:39,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:39,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89835057] [2022-11-19 06:54:39,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:39,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:54:39,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:54:39,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89835057] [2022-11-19 06:54:39,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89835057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:54:39,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:54:39,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:54:39,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888570277] [2022-11-19 06:54:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:54:39,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:54:39,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:54:39,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:54:39,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:54:39,679 INFO L87 Difference]: Start difference. First operand 1111 states and 2127 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:54:43,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:43,020 INFO L93 Difference]: Finished difference Result 3200 states and 6229 transitions. [2022-11-19 06:54:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:54:43,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-19 06:54:43,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:43,039 INFO L225 Difference]: With dead ends: 3200 [2022-11-19 06:54:43,040 INFO L226 Difference]: Without dead ends: 2154 [2022-11-19 06:54:43,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:54:43,045 INFO L413 NwaCegarLoop]: 2598 mSDtfsCounter, 1051 mSDsluCounter, 4177 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 6775 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:43,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 6775 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-19 06:54:43,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-11-19 06:54:43,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1111. [2022-11-19 06:54:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 598 states have (on average 1.8729096989966556) internal successors, (1120), 1105 states have internal predecessors, (1120), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2022-11-19 06:54:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2126 transitions. [2022-11-19 06:54:43,436 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2126 transitions. Word has length 20 [2022-11-19 06:54:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:54:43,437 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 2126 transitions. [2022-11-19 06:54:43,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:54:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2126 transitions. [2022-11-19 06:54:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 06:54:43,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:43,439 INFO L195 NwaCegarLoop]: 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] [2022-11-19 06:54:43,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:54:43,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:54:43,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:43,440 INFO L85 PathProgramCache]: Analyzing trace with hash -374374841, now seen corresponding path program 1 times [2022-11-19 06:54:43,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:43,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346333415] [2022-11-19 06:54:43,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:43,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:43,586 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:54:43,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748107992] [2022-11-19 06:54:43,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:43,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:54:43,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:54:43,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:54:43,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:54:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:44,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:54:44,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:54:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:54:44,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:54:44,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:54:44,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346333415] [2022-11-19 06:54:44,392 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:54:44,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748107992] [2022-11-19 06:54:44,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748107992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:54:44,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:54:44,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:54:44,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610500312] [2022-11-19 06:54:44,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:54:44,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:54:44,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:54:44,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:54:44,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:54:44,395 INFO L87 Difference]: Start difference. First operand 1111 states and 2126 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:54:46,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:54:46,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:46,516 INFO L93 Difference]: Finished difference Result 3258 states and 6292 transitions. [2022-11-19 06:54:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:54:46,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-19 06:54:46,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:46,536 INFO L225 Difference]: With dead ends: 3258 [2022-11-19 06:54:46,536 INFO L226 Difference]: Without dead ends: 2152 [2022-11-19 06:54:46,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:54:46,542 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 1039 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:46,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 4711 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-19 06:54:46,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2152 states. [2022-11-19 06:54:46,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2152 to 2148. [2022-11-19 06:54:46,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1135 states have (on average 1.905726872246696) internal successors, (2163), 2142 states have internal predecessors, (2163), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2022-11-19 06:54:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 4169 transitions. [2022-11-19 06:54:46,925 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 4169 transitions. Word has length 28 [2022-11-19 06:54:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:54:46,926 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 4169 transitions. [2022-11-19 06:54:46,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:54:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4169 transitions. [2022-11-19 06:54:46,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 06:54:46,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:46,933 INFO L195 NwaCegarLoop]: 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] [2022-11-19 06:54:46,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:54:47,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:54:47,143 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:54:47,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1024648763, now seen corresponding path program 1 times [2022-11-19 06:54:47,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:47,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021630483] [2022-11-19 06:54:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:47,196 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:54:47,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352594337] [2022-11-19 06:54:47,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:47,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:54:47,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:54:47,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:54:47,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:55:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:55:07,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:55:07,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:55:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:55:07,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:55:07,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:55:07,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021630483] [2022-11-19 06:55:07,780 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:55:07,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352594337] [2022-11-19 06:55:07,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352594337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:55:07,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:55:07,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:55:07,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67532767] [2022-11-19 06:55:07,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:55:07,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:55:07,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:55:07,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:55:07,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:55:07,783 INFO L87 Difference]: Start difference. First operand 2148 states and 4169 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:55:09,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:55:09,099 INFO L93 Difference]: Finished difference Result 4280 states and 8324 transitions. [2022-11-19 06:55:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:55:09,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-19 06:55:09,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:55:09,116 INFO L225 Difference]: With dead ends: 4280 [2022-11-19 06:55:09,116 INFO L226 Difference]: Without dead ends: 2150 [2022-11-19 06:55:09,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:55:09,124 INFO L413 NwaCegarLoop]: 2107 mSDtfsCounter, 1 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:55:09,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6317 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 06:55:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2022-11-19 06:55:09,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2150. [2022-11-19 06:55:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1136 states have (on average 1.9058098591549295) internal successors, (2165), 2144 states have internal predecessors, (2165), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 3 states have return successors, (1004), 5 states have call predecessors, (1004), 1003 states have call successors, (1004) [2022-11-19 06:55:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 4172 transitions. [2022-11-19 06:55:09,522 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 4172 transitions. Word has length 41 [2022-11-19 06:55:09,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:55:09,523 INFO L495 AbstractCegarLoop]: Abstraction has 2150 states and 4172 transitions. [2022-11-19 06:55:09,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 06:55:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 4172 transitions. [2022-11-19 06:55:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 06:55:09,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:55:09,525 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:55:09,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 06:55:09,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:55:09,739 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 06:55:09,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:55:09,739 INFO L85 PathProgramCache]: Analyzing trace with hash -821509381, now seen corresponding path program 1 times [2022-11-19 06:55:09,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:55:09,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981393433] [2022-11-19 06:55:09,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:55:09,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:55:09,790 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:55:09,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [277127306] [2022-11-19 06:55:09,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:55:09,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:55:09,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:55:09,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:55:09,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81da6f7a-a5e9-437b-bdc5-51032232f6bd/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:55:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:55:19,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 06:55:19,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:55:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:55:19,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:55:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:55:19,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:55:19,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981393433] [2022-11-19 06:55:19,693 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:55:19,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277127306] [2022-11-19 06:55:19,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277127306] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:55:19,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1801938121] [2022-11-19 06:55:19,714 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2022-11-19 06:55:19,714 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:55:19,717 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:55:19,723 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:55:19,723 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:55:19,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:55:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:19,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-19 06:55:19,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:19,834 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:55:19,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-19 06:55:19,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:55:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:19,869 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-19 06:55:19,870 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:19,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:55:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:19,954 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-19 06:55:19,954 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:19,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:55:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,046 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 06:55:20,046 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 38 [2022-11-19 06:55:20,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:55:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 84 treesize of output 64 [2022-11-19 06:55:20,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 06:55:20,581 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:20,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-19 06:55:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-19 06:55:20,737 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:20,780 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 06:55:20,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:20,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 06:55:20,963 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,057 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,134 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-19 06:55:21,135 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,166 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-19 06:55:21,263 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,460 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,464 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,470 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 06:55:21,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 06:55:21,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 06:55:21,540 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,547 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,553 INFO L350 Elim1Store]: Elim1 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 [2022-11-19 06:55:21,619 INFO L350 Elim1Store]: Elim1 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 108 treesize of output 42 [2022-11-19 06:55:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 06:55:21,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 46 treesize of output 16 [2022-11-19 06:55:21,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:21,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-19 06:55:21,990 INFO L350 Elim1Store]: Elim1 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 108 treesize of output 42 [2022-11-19 06:55:22,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 46 treesize of output 16 [2022-11-19 06:55:23,006 INFO L217 Elim1Store]: Index analysis took 738 ms [2022-11-19 06:55:28,168 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 109 DAG size of output: 31 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:55:28,169 INFO L321 Elim1Store]: treesize reduction 190, result has 18.1 percent of original size [2022-11-19 06:55:28,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519796 [2022-11-19 06:55:30,563 INFO L217 Elim1Store]: Index analysis took 2191 ms [2022-11-19 06:55:31,897 INFO L321 Elim1Store]: treesize reduction 87, result has 5.4 percent of original size [2022-11-19 06:55:31,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-19 06:55:41,028 WARN L233 SmtUtils]: Spent 8.95s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:55:41,028 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-19 06:55:41,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2154 treesize of output 1649 [2022-11-19 06:55:41,354 INFO L217 Elim1Store]: Index analysis took 158 ms [2022-11-19 06:56:00,121 WARN L233 SmtUtils]: Spent 18.76s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:56:00,121 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-19 06:56:00,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2341 treesize of output 2165 [2022-11-19 06:56:02,235 INFO L217 Elim1Store]: Index analysis took 1497 ms [2022-11-19 06:56:29,878 WARN L233 SmtUtils]: Spent 26.94s on a formula simplification. DAG size of input: 261 DAG size of output: 159 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:56:29,879 INFO L321 Elim1Store]: treesize reduction 22290, result has 25.6 percent of original size [2022-11-19 06:56:29,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 5638 treesize of output 15985 [2022-11-19 06:56:31,607 INFO L217 Elim1Store]: Index analysis took 117 ms [2022-11-19 06:56:32,028 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-19 06:56:32,029 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-19 06:56:32,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:56:32,745 INFO L217 Elim1Store]: Index analysis took 302 ms [2022-11-19 06:56:33,647 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:56:33,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-19 06:56:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:34,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:56:34,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 06:56:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:34,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:56:34,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 06:56:34,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:34,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 06:56:34,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:34,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-19 06:56:34,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:56:34,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2022-11-19 06:56:35,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:56:35,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-11-19 06:56:37,540 INFO L217 Elim1Store]: Index analysis took 766 ms