./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fd228108b00a337c799c923821cefd2f3f25ea1b43eb489705884efe2b6ca03 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:22:44,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:22:44,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:22:44,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:22:44,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:22:44,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:22:44,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:22:44,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:22:44,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:22:44,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:22:44,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:22:44,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:22:44,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:22:44,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:22:44,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:22:44,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:22:44,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:22:44,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:22:44,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:22:44,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:22:44,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:22:44,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:22:44,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:22:44,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:22:44,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:22:44,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:22:44,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:22:44,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:22:44,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:22:44,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:22:44,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:22:44,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:22:44,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:22:44,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:22:44,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:22:44,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:22:44,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:22:44,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:22:44,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:22:44,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:22:44,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:22:44,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:22:45,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:22:45,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:22:45,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:22:45,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:22:45,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:22:45,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:22:45,039 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:22:45,039 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:22:45,040 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:22:45,040 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:22:45,041 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:22:45,042 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:22:45,042 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:22:45,042 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:22:45,043 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:22:45,043 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:22:45,043 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:22:45,043 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:22:45,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:22:45,045 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:22:45,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:22:45,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:22:45,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:22:45,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:22:45,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:22:45,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:22:45,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:22:45,048 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:22:45,048 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:22:45,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:22:45,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:22:45,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:22:45,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:22:45,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:22:45,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:22:45,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:22:45,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:22:45,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:22:45,051 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:22:45,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:22:45,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:22:45,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:22:45,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:22:45,055 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fd228108b00a337c799c923821cefd2f3f25ea1b43eb489705884efe2b6ca03 [2021-11-25 20:22:45,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:22:45,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:22:45,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:22:45,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:22:45,401 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:22:45,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i [2021-11-25 20:22:45,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/data/2855388da/2a710c3a55884efcbefe663296ea3df5/FLAG9310ce371 [2021-11-25 20:22:46,276 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:22:46,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i [2021-11-25 20:22:46,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/data/2855388da/2a710c3a55884efcbefe663296ea3df5/FLAG9310ce371 [2021-11-25 20:22:46,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/data/2855388da/2a710c3a55884efcbefe663296ea3df5 [2021-11-25 20:22:46,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:22:46,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:22:46,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:22:46,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:22:46,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:22:46,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:22:46" (1/1) ... [2021-11-25 20:22:46,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66eacab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:46, skipping insertion in model container [2021-11-25 20:22:46,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:22:46" (1/1) ... [2021-11-25 20:22:46,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:22:46,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:22:47,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i[33021,33034] [2021-11-25 20:22:47,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i[49681,49694] [2021-11-25 20:22:47,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:22:47,296 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:22:47,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i[33021,33034] [2021-11-25 20:22:47,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-1.i[49681,49694] [2021-11-25 20:22:47,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:22:47,578 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:22:47,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47 WrapperNode [2021-11-25 20:22:47,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:22:47,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:22:47,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:22:47,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:22:47,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,747 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2021-11-25 20:22:47,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:22:47,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:22:47,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:22:47,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:22:47,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:22:47,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:22:47,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:22:47,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:22:47,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (1/1) ... [2021-11-25 20:22:47,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:22:48,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:48,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:22:48,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:22:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:22:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:22:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:22:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:22:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:22:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:22:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:22:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:22:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:22:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:22:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:22:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:22:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:22:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:22:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:22:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:22:48,514 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:22:48,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:22:50,201 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:22:50,822 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:22:50,822 INFO L301 CfgBuilder]: Removed 83 assume(true) statements. [2021-11-25 20:22:50,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:22:50 BoogieIcfgContainer [2021-11-25 20:22:50,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:22:50,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:22:50,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:22:50,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:22:50,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:22:46" (1/3) ... [2021-11-25 20:22:50,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a79f3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:22:50, skipping insertion in model container [2021-11-25 20:22:50,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:22:47" (2/3) ... [2021-11-25 20:22:50,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a79f3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:22:50, skipping insertion in model container [2021-11-25 20:22:50,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:22:50" (3/3) ... [2021-11-25 20:22:50,837 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-1.i [2021-11-25 20:22:50,844 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:22:50,844 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-25 20:22:50,945 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:22:50,955 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:22:50,955 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-25 20:22:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 20:22:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 20:22:50,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:50,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 20:22:50,985 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 20:22:50,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1119808, now seen corresponding path program 1 times [2021-11-25 20:22:51,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:51,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239358823] [2021-11-25 20:22:51,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:51,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:51,143 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:22:51,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042732484] [2021-11-25 20:22:51,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:51,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:51,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:51,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:22:51,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:22:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:51,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:22:51,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:22:51,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:22:51,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:22:51,545 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:51,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239358823] [2021-11-25 20:22:51,546 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:22:51,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042732484] [2021-11-25 20:22:51,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042732484] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:51,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:51,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 20:22:51,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243035466] [2021-11-25 20:22:51,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:51,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:22:51,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:51,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:22:51,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:22:51,606 INFO L87 Difference]: Start difference. First operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:22:54,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:22:54,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:22:54,120 INFO L93 Difference]: Finished difference Result 476 states and 831 transitions. [2021-11-25 20:22:54,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:22:54,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-25 20:22:54,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:22:54,154 INFO L225 Difference]: With dead ends: 476 [2021-11-25 20:22:54,154 INFO L226 Difference]: Without dead ends: 312 [2021-11-25 20:22:54,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:22:54,163 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 159 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:22:54,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 351 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 20:22:54,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-25 20:22:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-25 20:22:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 186 states have (on average 1.2473118279569892) internal successors, (232), 203 states have internal predecessors, (232), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 20:22:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-25 20:22:54,242 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-25 20:22:54,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:22:54,243 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-25 20:22:54,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:22:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-25 20:22:54,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 20:22:54,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:22:54,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:22:54,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:22:54,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:54,472 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 20:22:54,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:22:54,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1087819107, now seen corresponding path program 1 times [2021-11-25 20:22:54,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:22:54,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764796714] [2021-11-25 20:22:54,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:54,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:22:54,820 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:22:54,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613513267] [2021-11-25 20:22:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:22:54,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:22:54,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:22:54,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:22:54,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:22:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:22:56,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:22:56,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:22:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:22:56,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:22:56,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:22:56,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764796714] [2021-11-25 20:22:56,411 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:22:56,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613513267] [2021-11-25 20:22:56,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613513267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:22:56,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:22:56,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:22:56,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200289670] [2021-11-25 20:22:56,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:22:56,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:22:56,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:22:56,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:22:56,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:22:56,415 INFO L87 Difference]: Start difference. First operand 212 states and 264 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:01,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:23:01,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:01,891 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-25 20:23:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:23:01,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-25 20:23:01,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:01,912 INFO L225 Difference]: With dead ends: 312 [2021-11-25 20:23:01,912 INFO L226 Difference]: Without dead ends: 311 [2021-11-25 20:23:01,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:01,914 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 116 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:01,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 534 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-11-25 20:23:01,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-25 20:23:01,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-25 20:23:01,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 275 states have (on average 1.2036363636363636) internal successors, (331), 292 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 20:23:01,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-25 20:23:01,956 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-25 20:23:01,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:01,957 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-25 20:23:01,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-25 20:23:01,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 20:23:01,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:01,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:02,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:23:02,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-25 20:23:02,177 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 20:23:02,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:02,177 INFO L85 PathProgramCache]: Analyzing trace with hash -637345286, now seen corresponding path program 1 times [2021-11-25 20:23:02,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:02,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705157467] [2021-11-25 20:23:02,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:02,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:02,593 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:02,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606644557] [2021-11-25 20:23:02,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:02,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:02,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:02,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:02,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:23:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:04,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:23:04,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:23:04,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:23:04,422 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:04,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705157467] [2021-11-25 20:23:04,425 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:04,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606644557] [2021-11-25 20:23:04,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606644557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:04,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:04,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:23:04,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915152770] [2021-11-25 20:23:04,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:04,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:04,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:04,429 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:06,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:06,191 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-25 20:23:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:06,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-25 20:23:06,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:06,205 INFO L225 Difference]: With dead ends: 307 [2021-11-25 20:23:06,205 INFO L226 Difference]: Without dead ends: 305 [2021-11-25 20:23:06,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:06,208 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:06,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 20:23:06,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-25 20:23:06,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-25 20:23:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 274 states have (on average 1.197080291970803) internal successors, (328), 289 states have internal predecessors, (328), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 20:23:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-25 20:23:06,237 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-25 20:23:06,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:06,238 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-25 20:23:06,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-25 20:23:06,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 20:23:06,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:06,242 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:06,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:23:06,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:06,464 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 20:23:06,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:06,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1691543126, now seen corresponding path program 1 times [2021-11-25 20:23:06,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:06,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810851405] [2021-11-25 20:23:06,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:06,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:06,687 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:06,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084448977] [2021-11-25 20:23:06,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:06,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:06,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:06,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:06,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:23:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:08,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 3058 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:23:08,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:23:08,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:23:08,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:08,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810851405] [2021-11-25 20:23:08,668 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:08,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084448977] [2021-11-25 20:23:08,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084448977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:08,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:08,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:23:08,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504771420] [2021-11-25 20:23:08,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:08,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:23:08,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:08,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:23:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:23:08,672 INFO L87 Difference]: Start difference. First operand 304 states and 372 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:10,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:10,617 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-25 20:23:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:23:10,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-25 20:23:10,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:10,633 INFO L225 Difference]: With dead ends: 589 [2021-11-25 20:23:10,633 INFO L226 Difference]: Without dead ends: 357 [2021-11-25 20:23:10,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:23:10,637 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:10,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 20:23:10,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-25 20:23:10,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-25 20:23:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 338 states have internal predecessors, (383), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-25 20:23:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-25 20:23:10,673 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-25 20:23:10,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:10,674 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-25 20:23:10,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:23:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-25 20:23:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 20:23:10,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:10,678 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:10,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:23:10,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:10,904 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 20:23:10,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:10,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1425254209, now seen corresponding path program 1 times [2021-11-25 20:23:10,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:10,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757074519] [2021-11-25 20:23:10,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:10,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:11,064 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:11,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1719279789] [2021-11-25 20:23:11,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:11,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:11,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:11,072 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:11,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:23:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:12,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:23:12,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:23:12,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:23:12,821 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:12,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757074519] [2021-11-25 20:23:12,822 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:12,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719279789] [2021-11-25 20:23:12,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719279789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:12,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:12,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:23:12,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540940927] [2021-11-25 20:23:12,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:12,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:23:12,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:12,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:23:12,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:23:12,824 INFO L87 Difference]: Start difference. First operand 353 states and 447 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:23:14,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:23:16,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:16,015 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-25 20:23:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:23:16,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 20:23:16,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:16,026 INFO L225 Difference]: With dead ends: 678 [2021-11-25 20:23:16,026 INFO L226 Difference]: Without dead ends: 351 [2021-11-25 20:23:16,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:23:16,029 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:16,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 20:23:16,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-25 20:23:16,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-25 20:23:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 336 states have internal predecessors, (380), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-25 20:23:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-25 20:23:16,059 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-25 20:23:16,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:16,060 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-25 20:23:16,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:23:16,061 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-25 20:23:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 20:23:16,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:16,065 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:16,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-25 20:23:16,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:16,272 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 20:23:16,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1252483932, now seen corresponding path program 1 times [2021-11-25 20:23:16,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:16,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600605057] [2021-11-25 20:23:16,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:16,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:16,361 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:16,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945234190] [2021-11-25 20:23:16,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:16,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:16,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:16,395 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:16,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:23:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:21,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:23:21,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 20:23:21,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:23:21,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:21,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600605057] [2021-11-25 20:23:21,834 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:21,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945234190] [2021-11-25 20:23:21,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945234190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:23:21,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:23:21,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:23:21,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31661503] [2021-11-25 20:23:21,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:23:21,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:23:21,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:23:21,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:23:21,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:23:21,843 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:23:26,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:23:27,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:23:27,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:23:27,359 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-25 20:23:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:23:27,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-25 20:23:27,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:23:27,386 INFO L225 Difference]: With dead ends: 684 [2021-11-25 20:23:27,387 INFO L226 Difference]: Without dead ends: 353 [2021-11-25 20:23:27,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:23:27,389 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:23:27,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-25 20:23:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-25 20:23:27,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-25 20:23:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 338 states have internal predecessors, (382), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-25 20:23:27,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-25 20:23:27,426 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-25 20:23:27,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:23:27,426 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-25 20:23:27,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 20:23:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-25 20:23:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 20:23:27,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:23:27,432 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:23:27,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-25 20:23:27,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 20:23:27,648 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 20:23:27,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:23:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash -754730984, now seen corresponding path program 1 times [2021-11-25 20:23:27,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:23:27,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87399874] [2021-11-25 20:23:27,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:27,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:23:27,767 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:23:27,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769404122] [2021-11-25 20:23:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:23:27,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:23:27,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:23:27,784 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:23:27,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9965204-62a9-4811-84ce-177a6bc7380e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 20:23:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:23:32,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:23:32,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:23:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 20:23:32,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:23:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 20:23:32,896 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:23:32,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87399874] [2021-11-25 20:23:32,896 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:23:32,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769404122] [2021-11-25 20:23:32,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769404122] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:23:32,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [456743180] [2021-11-25 20:23:32,922 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-25 20:23:32,922 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:23:32,928 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:23:32,934 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:23:32,935 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:23:33,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,162 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:23:33,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 20:23:33,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 20:23:33,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:23:33,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,277 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:23:33,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 20:23:33,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,342 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:23:33,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 20:23:33,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 20:23:33,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:23:33,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 20:23:33,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-25 20:23:33,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 20:23:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:33,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:23:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:23:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:23:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 20:23:34,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:23:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 20:23:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:23:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:23:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:23:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,479 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:23:34,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 20:23:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 20:23:34,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 20:23:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 20:23:34,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:23:34,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:23:34,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 20:23:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 69 [2021-11-25 20:23:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 67 [2021-11-25 20:23:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 68 treesize of output 67 [2021-11-25 20:23:34,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:23:34,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 20:23:34,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 20:23:34,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:23:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:34,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 20:23:35,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:23:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:23:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:23:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:35,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 20:23:42,001 WARN L227 SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:23:42,003 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:23:42,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:23:42,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:53,531 WARN L227 SmtUtils]: Spent 11.38s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:23:53,531 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:23:53,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:23:53,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:23:54,290 INFO L244 Elim1Store]: Index analysis took 409 ms [2021-11-25 20:24:07,922 WARN L227 SmtUtils]: Spent 13.16s on a formula simplification. DAG size of input: 244 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:24:07,924 INFO L354 Elim1Store]: treesize reduction 2566, result has 31.1 percent of original size [2021-11-25 20:24:07,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 1377 [2021-11-25 20:24:08,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:08,711 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-25 20:24:08,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:24:09,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:09,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:09,321 INFO L244 Elim1Store]: Index analysis took 344 ms [2021-11-25 20:24:09,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 20:24:09,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:09,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:10,154 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-25 20:24:10,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 20:24:10,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:10,642 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:24:10,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-25 20:24:10,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:10,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:10,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:10,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-25 20:24:10,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:10,976 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:24:10,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32 [2021-11-25 20:24:11,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:11,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:11,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-25 20:24:11,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,408 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:24:11,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-25 20:24:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,652 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 20:24:11,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-25 20:24:11,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:11,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:11,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 57 [2021-11-25 20:24:11,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:11,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:13,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:13,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:13,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,510 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-25 20:24:13,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-25 20:24:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:13,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:13,759 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-25 20:24:13,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-25 20:24:14,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,897 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:14,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,552 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 20:24:15,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2700 treesize of output 2306 [2021-11-25 20:24:15,671 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:15,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:16,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:16,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:16,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:16,108 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-25 20:24:16,216 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 20:24:16,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2800 treesize of output 2384 [2021-11-25 20:24:16,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:16,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:16,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:16,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:16,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:16,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,423 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:17,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:17,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2779 treesize of output 2335 [2021-11-25 20:24:17,738 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,863 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 2679 treesize of output 2241 [2021-11-25 20:24:18,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:18,617 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-25 20:24:19,131 INFO L354 Elim1Store]: treesize reduction 362, result has 68.8 percent of original size [2021-11-25 20:24:19,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2688 treesize of output 3042 [2021-11-25 20:24:19,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,352 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,404 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:19,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:19,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,363 INFO L354 Elim1Store]: treesize reduction 362, result has 69.0 percent of original size [2021-11-25 20:24:20,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2788 treesize of output 3142 [2021-11-25 20:24:20,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2611 treesize of output 2241 [2021-11-25 20:24:20,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:20,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:20,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2711 treesize of output 2335 [2021-11-25 20:24:20,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,056 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:21,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,620 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-25 20:24:21,634 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:24:21,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2688 treesize of output 2244 [2021-11-25 20:24:21,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,769 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:21,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:21,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:21,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:22,029 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-25 20:24:22,046 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 20:24:22,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2788 treesize of output 2338 [2021-11-25 20:24:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:22,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:22,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:22,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2611 treesize of output 2241 [2021-11-25 20:24:22,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:22,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2711 treesize of output 2335 [2021-11-25 20:24:22,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:22,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:22,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:22,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:23,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:23,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,112 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 20:24:23,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2632 treesize of output 2244 [2021-11-25 20:24:23,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:23,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:23,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:23,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:23,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:23,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:23,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:23,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:23,580 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-25 20:24:23,597 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 20:24:23,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2732 treesize of output 2338 [2021-11-25 20:24:23,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:24,165 INFO L244 Elim1Store]: Index analysis took 272 ms [2021-11-25 20:24:25,606 INFO L354 Elim1Store]: treesize reduction 1299, result has 30.6 percent of original size [2021-11-25 20:24:25,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2809 treesize of output 2914 [2021-11-25 20:24:26,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:26,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:26,079 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:26,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:26,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:26,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:26,634 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-25 20:24:27,838 INFO L354 Elim1Store]: treesize reduction 1289, result has 29.3 percent of original size [2021-11-25 20:24:27,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2709 treesize of output 2780 [2021-11-25 20:24:29,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:29,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:29,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:29,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:29,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:29,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:29,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:29,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:29,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:30,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,117 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-25 20:24:30,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-25 20:24:30,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:30,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:30,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:30,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:30,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:30,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:24:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:30,689 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-11-25 20:24:30,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-25 20:24:31,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,423 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,463 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,770 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:31,997 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:32,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:32,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:32,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:24:33,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:33,736 INFO L244 Elim1Store]: Index analysis took 267 ms [2021-11-25 20:24:34,805 INFO L354 Elim1Store]: treesize reduction 2096, result has 10.4 percent of original size [2021-11-25 20:24:34,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 7891 treesize of output 7665 [2021-11-25 20:24:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:37,509 INFO L244 Elim1Store]: Index analysis took 244 ms [2021-11-25 20:24:37,791 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 20:24:37,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 3578 [2021-11-25 20:24:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:40,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:24:40,902 INFO L244 Elim1Store]: Index analysis took 352 ms [2021-11-25 20:24:47,093 WARN L227 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:24:47,094 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 20:24:47,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 136599 treesize of output 137059