./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P --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 a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:36:45,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:36:45,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:36:46,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:36:46,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:36:46,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:36:46,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:36:46,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:36:46,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:36:46,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:36:46,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:36:46,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:36:46,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:36:46,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:36:46,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:36:46,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:36:46,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:36:46,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:36:46,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:36:46,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:36:46,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:36:46,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:36:46,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:36:46,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:36:46,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:36:46,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:36:46,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:36:46,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:36:46,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:36:46,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:36:46,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:36:46,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:36:46,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:36:46,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:36:46,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:36:46,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:36:46,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:36:46,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:36:46,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:36:46,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:36:46,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:36:46,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:36:46,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:36:46,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:36:46,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:36:46,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:36:46,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:36:46,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:36:46,181 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:36:46,181 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:36:46,182 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:36:46,182 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:36:46,183 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:36:46,183 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:36:46,183 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:36:46,184 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:36:46,184 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:36:46,184 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:36:46,184 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:36:46,185 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:36:46,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:36:46,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:36:46,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:36:46,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:36:46,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:36:46,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:36:46,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:36:46,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:36:46,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:36:46,190 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:36:46,190 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:36:46,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:36:46,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:36:46,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:36:46,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:36:46,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:36:46,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:36:46,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:36:46,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:36:46,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:36:46,193 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:36:46,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:36:46,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:36:46,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:36:46,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:36:46,194 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_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 [2021-11-20 23:36:46,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:36:46,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:36:46,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:36:46,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:36:46,494 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:36:46,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2021-11-20 23:36:46,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/data/c803a5a1a/0059e4586e224b05bbb087e41a4e834c/FLAG73bf18c11 [2021-11-20 23:36:47,205 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:36:47,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2021-11-20 23:36:47,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/data/c803a5a1a/0059e4586e224b05bbb087e41a4e834c/FLAG73bf18c11 [2021-11-20 23:36:47,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/data/c803a5a1a/0059e4586e224b05bbb087e41a4e834c [2021-11-20 23:36:47,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:36:47,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:36:47,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:36:47,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:36:47,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:36:47,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:47" (1/1) ... [2021-11-20 23:36:47,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34caa327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:47, skipping insertion in model container [2021-11-20 23:36:47,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:47" (1/1) ... [2021-11-20 23:36:47,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:36:47,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:36:48,117 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_1997e4be-9c58-4e00-b2de-300039fa89e5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i[33021,33034] [2021-11-20 23:36:48,281 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_1997e4be-9c58-4e00-b2de-300039fa89e5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i[49681,49694] [2021-11-20 23:36:48,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:36:48,338 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:36:48,386 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_1997e4be-9c58-4e00-b2de-300039fa89e5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i[33021,33034] [2021-11-20 23:36:48,498 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_1997e4be-9c58-4e00-b2de-300039fa89e5/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i[49681,49694] [2021-11-20 23:36:48,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:36:48,597 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:36:48,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48 WrapperNode [2021-11-20 23:36:48,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:36:48,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:36:48,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:36:48,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:36:48,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,764 INFO L137 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2021-11-20 23:36:48,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:36:48,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:36:48,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:36:48,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:36:48,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:36:48,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:36:48,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:36:48,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:36:48,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (1/1) ... [2021-11-20 23:36:48,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:36:48,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:48,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:36:49,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:36:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:36:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:36:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:36:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:36:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:36:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:36:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:36:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:36:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:36:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:36:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:36:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:36:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:36:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:36:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:36:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:36:49,398 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:36:49,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:36:50,843 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:36:51,475 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:36:51,476 INFO L301 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-20 23:36:51,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:36:51 BoogieIcfgContainer [2021-11-20 23:36:51,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:36:51,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:36:51,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:36:51,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:36:51,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:36:47" (1/3) ... [2021-11-20 23:36:51,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321f042b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:36:51, skipping insertion in model container [2021-11-20 23:36:51,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:48" (2/3) ... [2021-11-20 23:36:51,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321f042b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:36:51, skipping insertion in model container [2021-11-20 23:36:51,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:36:51" (3/3) ... [2021-11-20 23:36:51,495 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-3.i [2021-11-20 23:36:51,501 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:36:51,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-20 23:36:51,552 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:36:51,562 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:36:51,566 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-20 23:36:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 190 states, 166 states have (on average 1.8313253012048192) internal successors, (304), 181 states have internal predecessors, (304), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-20 23:36:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-20 23:36:51,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:51,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-20 23:36:51,602 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)] === [2021-11-20 23:36:51,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:51,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1340156, now seen corresponding path program 1 times [2021-11-20 23:36:51,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:36:51,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729264887] [2021-11-20 23:36:51,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:51,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:36:51,762 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:36:51,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144811366] [2021-11-20 23:36:51,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:51,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:51,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:51,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:36:51,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:36:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:52,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:36:52,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:52,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:52,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:36:52,082 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:52,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729264887] [2021-11-20 23:36:52,083 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:36:52,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144811366] [2021-11-20 23:36:52,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144811366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:52,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:52,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-20 23:36:52,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013713813] [2021-11-20 23:36:52,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:52,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:36:52,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:36:52,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:36:52,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:36:52,120 INFO L87 Difference]: Start difference. First operand has 190 states, 166 states have (on average 1.8313253012048192) internal successors, (304), 181 states have internal predecessors, (304), 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) [2021-11-20 23:36:53,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:53,723 INFO L93 Difference]: Finished difference Result 528 states and 925 transitions. [2021-11-20 23:36:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:36:53,729 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 [2021-11-20 23:36:53,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:53,742 INFO L225 Difference]: With dead ends: 528 [2021-11-20 23:36:53,742 INFO L226 Difference]: Without dead ends: 312 [2021-11-20 23:36:53,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:36:53,750 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 159 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:53,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 381 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-20 23:36:53,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-20 23:36:53,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-20 23:36:53,809 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) [2021-11-20 23:36:53,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-20 23:36:53,813 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-20 23:36:53,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:53,814 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-20 23:36:53,814 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) [2021-11-20 23:36:53,814 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-20 23:36:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-20 23:36:53,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:53,817 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] [2021-11-20 23:36:53,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:54,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:36:54,044 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)] === [2021-11-20 23:36:54,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:54,045 INFO L85 PathProgramCache]: Analyzing trace with hash -938569559, now seen corresponding path program 1 times [2021-11-20 23:36:54,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:36:54,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675719683] [2021-11-20 23:36:54,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:54,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:36:54,075 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:36:54,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [336861164] [2021-11-20 23:36:54,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:54,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:54,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:54,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:36:54,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:36:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:54,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:36:54,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:54,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:36:54,576 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:54,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675719683] [2021-11-20 23:36:54,577 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:36:54,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336861164] [2021-11-20 23:36:54,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336861164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:54,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:54,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:36:54,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794954893] [2021-11-20 23:36:54,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:54,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:36:54,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:36:54,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:36:54,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:36:54,580 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) [2021-11-20 23:36:59,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:59,195 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-20 23:36:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:36:59,201 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 [2021-11-20 23:36:59,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:59,204 INFO L225 Difference]: With dead ends: 312 [2021-11-20 23:36:59,205 INFO L226 Difference]: Without dead ends: 311 [2021-11-20 23:36:59,206 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 [2021-11-20 23:36:59,208 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 116 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:59,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 521 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-20 23:36:59,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-20 23:36:59,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-20 23:36:59,238 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) [2021-11-20 23:36:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-20 23:36:59,241 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-20 23:36:59,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:59,241 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-20 23:36:59,242 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) [2021-11-20 23:36:59,242 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-20 23:36:59,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-20 23:36:59,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:59,244 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] [2021-11-20 23:36:59,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:59,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:59,458 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)] === [2021-11-20 23:36:59,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash 969115508, now seen corresponding path program 1 times [2021-11-20 23:36:59,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:36:59,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995858091] [2021-11-20 23:36:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:59,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:36:59,487 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:36:59,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385014750] [2021-11-20 23:36:59,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:59,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:36:59,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:36:59,490 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:36:59,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:36:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:59,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:36:59,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:59,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:36:59,923 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:36:59,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995858091] [2021-11-20 23:36:59,924 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:36:59,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385014750] [2021-11-20 23:36:59,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385014750] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:59,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:59,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:36:59,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600286341] [2021-11-20 23:36:59,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:59,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:36:59,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:36:59,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:36:59,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:36:59,927 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) [2021-11-20 23:37:01,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:01,209 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-20 23:37:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:37:01,222 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 [2021-11-20 23:37:01,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:01,225 INFO L225 Difference]: With dead ends: 307 [2021-11-20 23:37:01,225 INFO L226 Difference]: Without dead ends: 305 [2021-11-20 23:37:01,226 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 [2021-11-20 23:37:01,227 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:01,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-20 23:37:01,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-20 23:37:01,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-20 23:37:01,264 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) [2021-11-20 23:37:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-20 23:37:01,266 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-20 23:37:01,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:01,267 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-20 23:37:01,267 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) [2021-11-20 23:37:01,267 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-20 23:37:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 23:37:01,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:01,270 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] [2021-11-20 23:37:01,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-20 23:37:01,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:37:01,494 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)] === [2021-11-20 23:37:01,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:01,495 INFO L85 PathProgramCache]: Analyzing trace with hash -687852433, now seen corresponding path program 1 times [2021-11-20 23:37:01,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:01,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39695731] [2021-11-20 23:37:01,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:01,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:01,538 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:37:01,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423771745] [2021-11-20 23:37:01,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:01,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:37:01,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:37:01,544 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:37:01,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:37:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:01,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:37:01,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:02,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:37:02,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:02,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39695731] [2021-11-20 23:37:02,073 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:37:02,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423771745] [2021-11-20 23:37:02,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423771745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:02,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:02,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:37:02,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463006841] [2021-11-20 23:37:02,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:02,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:37:02,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:02,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:37:02,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:37:02,076 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) [2021-11-20 23:37:04,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:04,289 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-20 23:37:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:37:04,304 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 [2021-11-20 23:37:04,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:04,307 INFO L225 Difference]: With dead ends: 589 [2021-11-20 23:37:04,307 INFO L226 Difference]: Without dead ends: 357 [2021-11-20 23:37:04,309 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 [2021-11-20 23:37:04,310 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:04,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 23:37:04,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-20 23:37:04,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-20 23:37:04,338 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) [2021-11-20 23:37:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-20 23:37:04,341 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-20 23:37:04,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:04,341 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-20 23:37:04,342 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) [2021-11-20 23:37:04,342 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-20 23:37:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-20 23:37:04,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:04,345 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] [2021-11-20 23:37:04,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:04,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:37:04,554 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)] === [2021-11-20 23:37:04,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:04,555 INFO L85 PathProgramCache]: Analyzing trace with hash 275991936, now seen corresponding path program 1 times [2021-11-20 23:37:04,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:04,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419076506] [2021-11-20 23:37:04,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:04,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:04,576 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:37:04,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [160922160] [2021-11-20 23:37:04,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:04,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:37:04,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:37:04,581 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:37:04,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 23:37:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:04,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:37:04,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:37:05,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:37:05,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:05,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419076506] [2021-11-20 23:37:05,001 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:37:05,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160922160] [2021-11-20 23:37:05,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160922160] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:05,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:05,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:37:05,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968037718] [2021-11-20 23:37:05,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:05,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:37:05,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:05,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:37:05,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:37:05,005 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) [2021-11-20 23:37:08,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:37:08,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:08,205 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-20 23:37:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:37:08,229 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 [2021-11-20 23:37:08,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:08,232 INFO L225 Difference]: With dead ends: 678 [2021-11-20 23:37:08,232 INFO L226 Difference]: Without dead ends: 351 [2021-11-20 23:37:08,234 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 [2021-11-20 23:37:08,235 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:08,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-20 23:37:08,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-20 23:37:08,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-20 23:37:08,256 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) [2021-11-20 23:37:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-20 23:37:08,259 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-20 23:37:08,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:08,259 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-20 23:37:08,260 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) [2021-11-20 23:37:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-20 23:37:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 23:37:08,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:08,263 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] [2021-11-20 23:37:08,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:08,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:37:08,478 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)] === [2021-11-20 23:37:08,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:08,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1091525609, now seen corresponding path program 1 times [2021-11-20 23:37:08,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:37:08,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545573778] [2021-11-20 23:37:08,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:08,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:37:08,507 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:37:08,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423077948] [2021-11-20 23:37:08,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:08,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:37:08,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:37:08,534 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:37:08,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 23:37:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:57,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:37:57,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 23:37:57,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:37:57,368 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:37:57,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545573778] [2021-11-20 23:37:57,368 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:37:57,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423077948] [2021-11-20 23:37:57,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423077948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:57,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:57,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:37:57,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279625240] [2021-11-20 23:37:57,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:57,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:57,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:37:57,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:57,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:57,370 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) [2021-11-20 23:37:59,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:38:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:38:01,749 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-20 23:38:01,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:38:01,779 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 [2021-11-20 23:38:01,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:38:01,782 INFO L225 Difference]: With dead ends: 684 [2021-11-20 23:38:01,782 INFO L226 Difference]: Without dead ends: 353 [2021-11-20 23:38:01,783 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 [2021-11-20 23:38:01,784 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:38:01,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-11-20 23:38:01,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-20 23:38:01,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-20 23:38:01,816 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) [2021-11-20 23:38:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-20 23:38:01,820 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-20 23:38:01,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:38:01,821 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-20 23:38:01,821 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) [2021-11-20 23:38:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-20 23:38:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 23:38:01,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:38:01,834 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] [2021-11-20 23:38:01,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 23:38:02,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:38:02,058 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)] === [2021-11-20 23:38:02,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:38:02,059 INFO L85 PathProgramCache]: Analyzing trace with hash 465521, now seen corresponding path program 1 times [2021-11-20 23:38:02,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:38:02,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420685187] [2021-11-20 23:38:02,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:02,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:38:02,080 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:38:02,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2098904897] [2021-11-20 23:38:02,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:02,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:38:02,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:38:02,082 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:38:02,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1997e4be-9c58-4e00-b2de-300039fa89e5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 23:38:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:38:03,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 23:38:03,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:38:04,113 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-20 23:38:04,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:38:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 23:38:04,361 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:38:04,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420685187] [2021-11-20 23:38:04,362 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:38:04,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098904897] [2021-11-20 23:38:04,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098904897] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:38:04,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1491204383] [2021-11-20 23:38:04,385 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-20 23:38:04,385 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:38:04,390 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:38:04,395 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:38:04,396 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:38:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,606 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:38:04,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-20 23:38:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:38:04,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,722 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-20 23:38:04,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-20 23:38:04,792 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:38:04,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-20 23:38:04,823 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 [2021-11-20 23:38:04,833 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 [2021-11-20 23:38:04,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:04,887 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:38:04,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-20 23:38:05,076 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 19 treesize of output 1 [2021-11-20 23:38:05,144 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 19 treesize of output 1 [2021-11-20 23:38:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:05,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 37 treesize of output 42 [2021-11-20 23:38:06,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-20 23:38:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-20 23:38:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:38:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-20 23:38:06,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-20 23:38:06,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:38:06,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:38:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:06,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-20 23:38:07,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 23:38:07,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,213 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:38:07,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-20 23:38:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-20 23:38:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,379 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-20 23:38:07,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-20 23:38:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:07,444 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:38:07,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-20 23:38:08,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 23:38:08,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:38:08,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:38:08,113 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-20 23:38:08,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-20 23:38:08,134 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:38:08,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-20 23:38:08,158 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-20 23:38:08,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-20 23:38:08,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:38:08,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 23:38:08,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-20 23:38:08,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:38:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:38:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:38:08,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-20 23:38:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-20 23:38:08,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:08,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-20 23:38:17,490 WARN L227 SmtUtils]: Spent 8.48s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:38:17,490 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:38:17,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-20 23:38:17,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:27,471 WARN L227 SmtUtils]: Spent 9.94s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:38:27,472 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:38:27,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-20 23:38:39,338 WARN L227 SmtUtils]: Spent 11.74s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:38:39,338 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:38:39,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-20 23:38:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:39,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:40,535 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:38:40,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-20 23:38:40,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:40,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:40,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:41,497 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:38:41,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-20 23:38:43,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:38:43,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:43,909 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:38:43,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:38:44,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:38:44,521 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-20 23:38:44,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-20 23:38:49,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:38:49,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:38:49,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:38:49,925 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:38:52,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:38:52,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:38:56,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:38:59,437 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:00,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:00,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:00,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:00,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:01,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:01,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:02,251 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:02,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:39:02,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:39:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:39:02,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:39:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:39:02,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:39:02,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:39:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:39:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:39:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:39:02,998 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-20 23:39:02,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 866 treesize of output 400 [2021-11-20 23:39:07,967 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:08,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:08,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:08,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:08,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:18,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:18,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:22,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:23,053 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:23,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:23,584 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:24,727 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:24,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:39:34,996 INFO L354 Elim1Store]: treesize reduction 122, result has 93.4 percent of original size [2021-11-20 23:39:34,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 25954 treesize of output 27158 [2021-11-20 23:39:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:39:39,992 INFO L354 Elim1Store]: treesize reduction 114, result has 93.8 percent of original size [2021-11-20 23:39:39,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 28211 treesize of output 29401 [2021-11-20 23:40:11,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:11,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:11,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:11,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:11,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1708 treesize of output 1302 [2021-11-20 23:40:11,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:11,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:11,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:11,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:11,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:11,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:11,769 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-20 23:40:11,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2325 treesize of output 1913 [2021-11-20 23:40:12,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:12,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:12,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:12,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:12,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:12,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:12,502 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-11-20 23:40:12,504 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 753 treesize of output 371 [2021-11-20 23:40:12,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:12,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:13,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:13,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:13,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,220 INFO L244 Elim1Store]: Index analysis took 197 ms [2021-11-20 23:40:13,221 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 753 treesize of output 371 [2021-11-20 23:40:13,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:13,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:13,679 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-11-20 23:40:13,681 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 1314 treesize of output 926 [2021-11-20 23:40:13,944 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:15,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:15,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:15,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:15,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:15,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:15,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:15,583 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 2304 treesize of output 1910 [2021-11-20 23:40:16,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:16,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:16,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:16,415 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:16,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:16,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:16,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:16,805 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 1687 treesize of output 1299 [2021-11-20 23:40:17,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:17,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:17,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:18,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:18,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:18,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:18,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:18,156 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 2304 treesize of output 1910 [2021-11-20 23:40:18,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:18,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:18,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:18,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:19,098 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:19,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:19,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:19,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:19,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:19,522 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-20 23:40:19,524 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 1687 treesize of output 1299 [2021-11-20 23:40:19,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:21,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:21,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:21,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:21,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:21,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:21,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:21,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:21,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:21,764 INFO L244 Elim1Store]: Index analysis took 238 ms [2021-11-20 23:40:21,766 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 821 treesize of output 371 [2021-11-20 23:40:21,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:22,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:22,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:22,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:22,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:22,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:22,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:22,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:22,769 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-20 23:40:22,964 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-20 23:40:22,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2402 treesize of output 1916 [2021-11-20 23:40:23,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:23,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:23,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:23,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:23,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:23,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:23,407 INFO L244 Elim1Store]: Index analysis took 261 ms [2021-11-20 23:40:24,480 INFO L354 Elim1Store]: treesize reduction 921, result has 32.4 percent of original size [2021-11-20 23:40:24,481 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 6 case distinctions, treesize of input 830 treesize of output 815 [2021-11-20 23:40:25,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:25,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:25,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:25,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:25,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:25,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:25,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:25,389 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-11-20 23:40:25,391 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 815 treesize of output 365 [2021-11-20 23:40:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:26,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:26,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:26,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:26,688 INFO L244 Elim1Store]: Index analysis took 336 ms [2021-11-20 23:40:27,573 INFO L354 Elim1Store]: treesize reduction 1219, result has 22.9 percent of original size [2021-11-20 23:40:27,574 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 5 case distinctions, treesize of input 1391 treesize of output 1291 [2021-11-20 23:40:28,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:28,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:28,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:28,599 INFO L244 Elim1Store]: Index analysis took 334 ms [2021-11-20 23:40:28,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 830 treesize of output 374 [2021-11-20 23:40:29,121 INFO L244 Elim1Store]: Index analysis took 306 ms [2021-11-20 23:40:30,321 INFO L354 Elim1Store]: treesize reduction 1423, result has 23.7 percent of original size [2021-11-20 23:40:30,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 830 treesize of output 815 [2021-11-20 23:40:33,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:33,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:33,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:33,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:33,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:33,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:33,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:33,904 INFO L244 Elim1Store]: Index analysis took 316 ms [2021-11-20 23:40:33,928 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-20 23:40:33,929 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 1785 treesize of output 1305 [2021-11-20 23:40:37,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:37,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:37,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:37,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:37,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:37,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:37,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:37,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:37,723 INFO L244 Elim1Store]: Index analysis took 207 ms [2021-11-20 23:40:37,724 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 821 treesize of output 371 [2021-11-20 23:40:37,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:38,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:38,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:38,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:38,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:38,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:38,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:38,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:38,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:38,814 INFO L244 Elim1Store]: Index analysis took 300 ms [2021-11-20 23:40:38,817 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 821 treesize of output 371 [2021-11-20 23:40:39,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:40,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:40,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:40,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:40,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:40,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:40,659 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-11-20 23:40:40,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2393 treesize of output 1913 [2021-11-20 23:40:41,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,346 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-11-20 23:40:41,348 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 821 treesize of output 371 [2021-11-20 23:40:41,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:41,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:41,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:41,757 INFO L244 Elim1Store]: Index analysis took 200 ms [2021-11-20 23:40:41,773 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-20 23:40:41,773 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 1382 treesize of output 926 [2021-11-20 23:40:42,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:42,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:42,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:42,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:42,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:42,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:42,774 INFO L244 Elim1Store]: Index analysis took 240 ms [2021-11-20 23:40:42,792 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-20 23:40:42,793 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 821 treesize of output 371 [2021-11-20 23:40:43,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:46,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:46,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:46,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:46,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:47,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:47,077 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-20 23:40:47,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1764 treesize of output 1302 [2021-11-20 23:40:48,008 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:48,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:48,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:48,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:49,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:49,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:49,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:49,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:49,294 INFO L244 Elim1Store]: Index analysis took 189 ms [2021-11-20 23:40:49,586 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-20 23:40:49,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1370 treesize of output 926 [2021-11-20 23:40:49,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:50,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:50,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:50,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:50,219 INFO L244 Elim1Store]: Index analysis took 224 ms [2021-11-20 23:40:51,369 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-20 23:40:51,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2381 treesize of output 2275 [2021-11-20 23:40:53,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:53,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:53,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:53,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:53,878 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 2372 treesize of output 1910 [2021-11-20 23:40:54,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:54,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:54,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:54,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:55,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:55,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:55,101 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 1361 treesize of output 923 [2021-11-20 23:40:55,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:55,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:55,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:56,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:57,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:57,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:57,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:57,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:57,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:57,648 INFO L244 Elim1Store]: Index analysis took 395 ms [2021-11-20 23:40:57,666 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-20 23:40:57,666 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 1764 treesize of output 1302 [2021-11-20 23:40:58,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:58,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:59,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:59,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:40:59,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:59,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:59,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:59,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:59,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:40:59,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:59,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:40:59,761 INFO L244 Elim1Store]: Index analysis took 227 ms [2021-11-20 23:40:59,763 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 1370 treesize of output 926 [2021-11-20 23:41:00,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:41:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:00,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:41:00,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:00,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:00,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:41:00,362 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-20 23:41:00,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2381 treesize of output 1913 [2021-11-20 23:41:01,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:41:01,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:41:12,049 INFO L244 Elim1Store]: Index analysis took 223 ms [2021-11-20 23:41:15,002 INFO L354 Elim1Store]: treesize reduction 7354, result has 50.2 percent of original size [2021-11-20 23:41:15,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 5771 treesize of output 11341