./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/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_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/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_95690b4b-90f6-478b-9d58-2a7a6ae67253/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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:31:28,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:31:28,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:31:29,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:31:29,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:31:29,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:31:29,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:31:29,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:31:29,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:31:29,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:31:29,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:31:29,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:31:29,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:31:29,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:31:29,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:31:29,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:31:29,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:31:29,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:31:29,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:31:29,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:31:29,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:31:29,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:31:29,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:31:29,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:31:29,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:31:29,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:31:29,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:31:29,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:31:29,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:31:29,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:31:29,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:31:29,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:31:29,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:31:29,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:31:29,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:31:29,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:31:29,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:31:29,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:31:29,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:31:29,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:31:29,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:31:29,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:31:29,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:31:29,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:31:29,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:31:29,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:31:29,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:31:29,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:31:29,173 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:31:29,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:31:29,173 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:31:29,173 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:31:29,175 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:31:29,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:31:29,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:31:29,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:31:29,176 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:31:29,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:31:29,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:31:29,177 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:31:29,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:31:29,178 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:31:29,178 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:31:29,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:31:29,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:31:29,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:31:29,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:31:29,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:31:29,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:31:29,181 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:31:29,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:31:29,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:31:29,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:31:29,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:31:29,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:31:29,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:31:29,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:31:29,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:31:29,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:31:29,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:31:29,184 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:31:29,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:31:29,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:31:29,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:31:29,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:31:29,186 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_95690b4b-90f6-478b-9d58-2a7a6ae67253/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 [2021-11-21 01:31:29,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:31:29,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:31:29,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:31:29,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:31:29,556 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:31:29,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2021-11-21 01:31:29,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/data/26f282f42/ad261f17fdcc4545811196af6a26f875/FLAGe87ee13b4 [2021-11-21 01:31:30,316 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:31:30,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2021-11-21 01:31:30,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/data/26f282f42/ad261f17fdcc4545811196af6a26f875/FLAGe87ee13b4 [2021-11-21 01:31:30,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/data/26f282f42/ad261f17fdcc4545811196af6a26f875 [2021-11-21 01:31:30,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:31:30,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:31:30,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:31:30,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:31:30,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:31:30,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:31:30" (1/1) ... [2021-11-21 01:31:30,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19845808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:30, skipping insertion in model container [2021-11-21 01:31:30,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:31:30" (1/1) ... [2021-11-21 01:31:30,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:31:30,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:31:30,984 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_95690b4b-90f6-478b-9d58-2a7a6ae67253/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[33021,33034] [2021-11-21 01:31:31,118 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_95690b4b-90f6-478b-9d58-2a7a6ae67253/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[49681,49694] [2021-11-21 01:31:31,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:31:31,148 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:31:31,200 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_95690b4b-90f6-478b-9d58-2a7a6ae67253/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[33021,33034] [2021-11-21 01:31:31,304 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_95690b4b-90f6-478b-9d58-2a7a6ae67253/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i[49681,49694] [2021-11-21 01:31:31,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:31:31,384 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:31:31,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31 WrapperNode [2021-11-21 01:31:31,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:31:31,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:31:31,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:31:31,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:31:31,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,624 INFO L137 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2021-11-21 01:31:31,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:31:31,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:31:31,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:31:31,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:31:31,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:31:31,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:31:31,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:31:31,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:31:31,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (1/1) ... [2021-11-21 01:31:31,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:31:31,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:31,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:31:31,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:31:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:31:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:31:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:31:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:31:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:31:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:31:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:31:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:31:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:31:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:31:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:31:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:31:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:31:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:31:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:31:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:31:32,161 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:31:32,162 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:31:33,785 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:31:34,378 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:31:34,378 INFO L301 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-21 01:31:34,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:31:34 BoogieIcfgContainer [2021-11-21 01:31:34,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:31:34,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:31:34,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:31:34,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:31:34,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:31:30" (1/3) ... [2021-11-21 01:31:34,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6cb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:31:34, skipping insertion in model container [2021-11-21 01:31:34,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:31" (2/3) ... [2021-11-21 01:31:34,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6cb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:31:34, skipping insertion in model container [2021-11-21 01:31:34,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:31:34" (3/3) ... [2021-11-21 01:31:34,398 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-3.i [2021-11-21 01:31:34,404 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:31:34,404 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-21 01:31:34,468 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:31:34,473 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:31:34,474 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-21 01:31:34,496 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) [2021-11-21 01:31:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:31:34,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:34,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:31:34,500 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)] === [2021-11-21 01:31:34,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:34,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1340156, now seen corresponding path program 1 times [2021-11-21 01:31:34,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:34,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708756309] [2021-11-21 01:31:34,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:34,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:34,626 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:31:34,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44111529] [2021-11-21 01:31:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:34,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:34,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:34,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:34,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:31:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:34,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:31:34,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:31:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:34,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:31:34,917 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:34,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708756309] [2021-11-21 01:31:34,918 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:31:34,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44111529] [2021-11-21 01:31:34,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44111529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:34,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:34,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:31:34,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738573314] [2021-11-21 01:31:34,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:34,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:31:34,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:34,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:31:34,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:31:34,957 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) [2021-11-21 01:31:36,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:36,498 INFO L93 Difference]: Finished difference Result 528 states and 925 transitions. [2021-11-21 01:31:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:31:36,504 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 [2021-11-21 01:31:36,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:36,517 INFO L225 Difference]: With dead ends: 528 [2021-11-21 01:31:36,517 INFO L226 Difference]: Without dead ends: 312 [2021-11-21 01:31:36,521 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 [2021-11-21 01:31:36,525 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 [2021-11-21 01:31:36,526 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] [2021-11-21 01:31:36,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-21 01:31:36,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-21 01:31:36,585 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) [2021-11-21 01:31:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-21 01:31:36,589 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-21 01:31:36,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:36,590 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-21 01:31:36,590 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) [2021-11-21 01:31:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-21 01:31:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 01:31:36,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:36,594 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] [2021-11-21 01:31:36,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:31:36,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:31:36,815 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)] === [2021-11-21 01:31:36,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:36,816 INFO L85 PathProgramCache]: Analyzing trace with hash -938569559, now seen corresponding path program 1 times [2021-11-21 01:31:36,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:36,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530292556] [2021-11-21 01:31:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:36,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:36,915 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:31:36,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [475982708] [2021-11-21 01:31:36,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:36,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:36,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:36,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:36,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:31:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:37,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:31:37,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:31:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:37,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:31:37,430 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:37,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530292556] [2021-11-21 01:31:37,430 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:31:37,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475982708] [2021-11-21 01:31:37,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475982708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:37,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:37,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:31:37,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777557152] [2021-11-21 01:31:37,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:37,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:31:37,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:37,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:31:37,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:31:37,434 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) [2021-11-21 01:31:41,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:41,931 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-21 01:31:41,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:31:41,937 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 [2021-11-21 01:31:41,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:41,941 INFO L225 Difference]: With dead ends: 312 [2021-11-21 01:31:41,941 INFO L226 Difference]: Without dead ends: 311 [2021-11-21 01:31:41,942 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 [2021-11-21 01:31:41,943 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 116 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:41,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 521 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-21 01:31:41,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-21 01:31:41,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-21 01:31:41,995 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) [2021-11-21 01:31:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-21 01:31:41,999 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-21 01:31:41,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:41,999 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-21 01:31:42,000 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) [2021-11-21 01:31:42,000 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-21 01:31:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 01:31:42,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:42,002 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] [2021-11-21 01:31:42,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:31:42,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:42,205 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)] === [2021-11-21 01:31:42,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:42,205 INFO L85 PathProgramCache]: Analyzing trace with hash 969115508, now seen corresponding path program 1 times [2021-11-21 01:31:42,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:42,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242238801] [2021-11-21 01:31:42,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:42,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:42,231 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:31:42,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912059070] [2021-11-21 01:31:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:42,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:42,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:42,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:31:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:42,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:31:42,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:31:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:42,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:31:42,728 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:42,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242238801] [2021-11-21 01:31:42,728 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:31:42,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912059070] [2021-11-21 01:31:42,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912059070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:42,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:42,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:31:42,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922453796] [2021-11-21 01:31:42,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:42,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:31:42,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:42,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:31:42,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:31:42,731 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) [2021-11-21 01:31:43,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:43,941 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-21 01:31:43,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:31:43,950 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 [2021-11-21 01:31:43,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:43,953 INFO L225 Difference]: With dead ends: 307 [2021-11-21 01:31:43,954 INFO L226 Difference]: Without dead ends: 305 [2021-11-21 01:31:43,954 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 [2021-11-21 01:31:43,955 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:43,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:31:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-21 01:31:43,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-21 01:31:43,976 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) [2021-11-21 01:31:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-21 01:31:43,978 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-21 01:31:43,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:43,979 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-21 01:31:43,979 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) [2021-11-21 01:31:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-21 01:31:43,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 01:31:43,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:43,982 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] [2021-11-21 01:31:44,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:31:44,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:44,205 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)] === [2021-11-21 01:31:44,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:44,206 INFO L85 PathProgramCache]: Analyzing trace with hash -687852433, now seen corresponding path program 1 times [2021-11-21 01:31:44,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:44,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845329799] [2021-11-21 01:31:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:44,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:44,230 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:31:44,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780670311] [2021-11-21 01:31:44,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:44,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:44,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:44,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:44,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:31:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:44,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:31:44,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:31:44,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:44,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:31:44,750 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:44,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845329799] [2021-11-21 01:31:44,750 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:31:44,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780670311] [2021-11-21 01:31:44,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780670311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:44,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:44,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:31:44,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212748779] [2021-11-21 01:31:44,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:44,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:31:44,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:44,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:31:44,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:31:44,753 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) [2021-11-21 01:31:46,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:46,969 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-21 01:31:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:31:46,983 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 [2021-11-21 01:31:46,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:46,986 INFO L225 Difference]: With dead ends: 589 [2021-11-21 01:31:46,986 INFO L226 Difference]: Without dead ends: 357 [2021-11-21 01:31:46,988 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 [2021-11-21 01:31:46,989 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 [2021-11-21 01:31:46,989 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] [2021-11-21 01:31:46,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-21 01:31:47,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-21 01:31:47,012 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) [2021-11-21 01:31:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-21 01:31:47,015 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-21 01:31:47,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:47,032 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-21 01:31:47,032 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) [2021-11-21 01:31:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-21 01:31:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:31:47,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:47,044 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:47,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:31:47,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:47,267 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)] === [2021-11-21 01:31:47,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:47,268 INFO L85 PathProgramCache]: Analyzing trace with hash 275991936, now seen corresponding path program 1 times [2021-11-21 01:31:47,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:47,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400539384] [2021-11-21 01:31:47,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:47,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:47,313 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:31:47,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117410726] [2021-11-21 01:31:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:47,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:47,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:47,316 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:47,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:31:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:47,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:31:47,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:31:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:31:47,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:31:47,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:47,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400539384] [2021-11-21 01:31:47,814 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:31:47,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117410726] [2021-11-21 01:31:47,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117410726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:47,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:47,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:31:47,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049641212] [2021-11-21 01:31:47,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:47,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:31:47,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:47,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:31:47,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:31:47,818 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) [2021-11-21 01:31:50,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:31:51,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:51,841 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-21 01:31:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:31:51,855 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 [2021-11-21 01:31:51,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:51,858 INFO L225 Difference]: With dead ends: 678 [2021-11-21 01:31:51,858 INFO L226 Difference]: Without dead ends: 351 [2021-11-21 01:31:51,859 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 [2021-11-21 01:31:51,860 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:51,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-21 01:31:51,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-21 01:31:51,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-21 01:31:51,884 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) [2021-11-21 01:31:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-21 01:31:51,892 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-21 01:31:51,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:51,892 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-21 01:31:51,893 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) [2021-11-21 01:31:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-21 01:31:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 01:31:51,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:51,895 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] [2021-11-21 01:31:51,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:31:52,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:52,111 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)] === [2021-11-21 01:31:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1091525609, now seen corresponding path program 1 times [2021-11-21 01:31:52,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:52,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098426246] [2021-11-21 01:31:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:52,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:52,145 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:31:52,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110808902] [2021-11-21 01:31:52,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:52,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:52,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:52,155 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:52,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:32:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:32:40,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:32:40,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:32:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 01:32:40,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:32:40,529 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:32:40,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098426246] [2021-11-21 01:32:40,530 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:32:40,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110808902] [2021-11-21 01:32:40,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110808902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:32:40,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:32:40,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:32:40,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422023770] [2021-11-21 01:32:40,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:32:40,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:32:40,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:32:40,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:32:40,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:32:40,535 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) [2021-11-21 01:32:44,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:32:44,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:32:44,911 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-21 01:32:44,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:32:44,932 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 [2021-11-21 01:32:44,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:32:44,935 INFO L225 Difference]: With dead ends: 684 [2021-11-21 01:32:44,935 INFO L226 Difference]: Without dead ends: 353 [2021-11-21 01:32:44,936 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 [2021-11-21 01:32:44,937 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 1 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, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:32:44,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 01:32:44,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-21 01:32:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-21 01:32:44,959 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) [2021-11-21 01:32:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-21 01:32:44,963 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-21 01:32:44,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:32:44,963 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-21 01:32:44,964 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) [2021-11-21 01:32:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-21 01:32:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 01:32:44,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:32:44,965 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] [2021-11-21 01:32:45,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:32:45,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:32:45,191 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)] === [2021-11-21 01:32:45,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:32:45,192 INFO L85 PathProgramCache]: Analyzing trace with hash 465521, now seen corresponding path program 1 times [2021-11-21 01:32:45,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:32:45,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985207028] [2021-11-21 01:32:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:32:45,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:32:45,211 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:32:45,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059584174] [2021-11-21 01:32:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:32:45,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:32:45,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:32:45,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:32:45,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95690b4b-90f6-478b-9d58-2a7a6ae67253/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:32:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:32:47,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 01:32:47,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:32:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 01:32:47,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:32:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:32:47,750 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:32:47,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985207028] [2021-11-21 01:32:47,750 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:32:47,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059584174] [2021-11-21 01:32:47,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059584174] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:32:47,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [488373103] [2021-11-21 01:32:47,771 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 01:32:47,772 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:32:47,776 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:32:47,781 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:32:47,781 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:32:47,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:47,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:47,985 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:32:47,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 01:32:48,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,012 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 [2021-11-21 01:32:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,090 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:32:48,090 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 [2021-11-21 01:32:48,152 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:32:48,152 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 [2021-11-21 01:32:48,180 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 [2021-11-21 01:32:48,191 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 [2021-11-21 01:32:48,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,262 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:32:48,263 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 [2021-11-21 01:32:48,457 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 [2021-11-21 01:32:48,525 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 [2021-11-21 01:32:48,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,549 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 [2021-11-21 01:32:49,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,984 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 [2021-11-21 01:32:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,010 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 [2021-11-21 01:32:50,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:32:50,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:32:50,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,276 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 [2021-11-21 01:32:50,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,299 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 [2021-11-21 01:32:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:32:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:32:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:32:50,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,599 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:32:50,599 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 [2021-11-21 01:32:50,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:32:50,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,754 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:32:50,755 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 [2021-11-21 01:32:50,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:50,822 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:32:50,823 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 [2021-11-21 01:32:51,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:32:51,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:32:51,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:32:51,529 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:32:51,530 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 [2021-11-21 01:32:51,560 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:32:51,560 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 [2021-11-21 01:32:51,583 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:32:51,583 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 [2021-11-21 01:32:51,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:32:51,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:32:51,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:32:51,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:32:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:32:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:51,906 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 [2021-11-21 01:32:52,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:32:52,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:32:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:52,338 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 [2021-11-21 01:32:59,645 WARN L227 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:32:59,645 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:32:59,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:32:59,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:09,502 WARN L227 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:33:09,503 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:33:09,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:33:21,214 WARN L227 SmtUtils]: Spent 11.56s 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) [2021-11-21 01:33:21,215 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:33:21,216 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 [2021-11-21 01:33:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:21,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:22,131 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:33:22,132 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 [2021-11-21 01:33:22,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:22,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:22,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:22,949 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 01:33:22,950 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 [2021-11-21 01:33:24,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:25,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:25,284 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:33:25,285 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 [2021-11-21 01:33:25,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:25,823 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 01:33:25,823 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 [2021-11-21 01:33:30,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:30,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:31,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:31,268 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:33,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:33,285 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:36,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:40,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:40,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:41,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:41,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:41,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:42,182 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:42,823 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:43,140 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:43,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:33:43,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:43,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:43,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:33:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:43,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:33:43,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:33:43,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:43,946 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-21 01:33:43,948 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 [2021-11-21 01:33:49,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:49,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:49,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:49,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:49,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:00,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:00,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:05,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:05,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:06,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:06,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:07,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:08,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:34:21,375 WARN L227 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 100 DAG size of output: 92 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:34:21,375 INFO L354 Elim1Store]: treesize reduction 122, result has 93.4 percent of original size [2021-11-21 01:34:21,376 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 [2021-11-21 01:34:21,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:34:26,654 WARN L227 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 101 DAG size of output: 89 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:34:26,655 INFO L354 Elim1Store]: treesize reduction 114, result has 93.8 percent of original size [2021-11-21 01:34:26,655 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 [2021-11-21 01:35:01,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:01,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:01,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:02,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:02,063 INFO L244 Elim1Store]: Index analysis took 158 ms [2021-11-21 01:35:02,066 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 [2021-11-21 01:35:02,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:02,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:02,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:02,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:02,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:03,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:03,084 INFO L244 Elim1Store]: Index analysis took 236 ms [2021-11-21 01:35:03,087 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 [2021-11-21 01:35:03,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:03,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:03,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:04,129 INFO L244 Elim1Store]: Index analysis took 277 ms [2021-11-21 01:35:04,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 371 [2021-11-21 01:35:04,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:04,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:04,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:04,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:05,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,193 INFO L244 Elim1Store]: Index analysis took 269 ms [2021-11-21 01:35:05,195 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 [2021-11-21 01:35:05,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:05,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:05,856 INFO L244 Elim1Store]: Index analysis took 252 ms [2021-11-21 01:35:05,858 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 [2021-11-21 01:35:06,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:08,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:08,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:08,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:08,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:08,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:08,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:08,684 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-21 01:35:08,686 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 [2021-11-21 01:35:09,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:09,445 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:09,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:09,811 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:09,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:10,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:10,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:10,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:10,384 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 [2021-11-21 01:35:11,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:11,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:11,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:12,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:12,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:12,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:12,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:12,339 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-21 01:35:12,341 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 [2021-11-21 01:35:12,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:13,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:13,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:13,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:13,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:14,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:14,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:14,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:14,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:14,263 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-21 01:35:14,265 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 [2021-11-21 01:35:14,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:16,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:16,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:16,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:16,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:17,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:17,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:17,219 INFO L244 Elim1Store]: Index analysis took 322 ms [2021-11-21 01:35:17,222 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 [2021-11-21 01:35:17,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:18,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:18,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:18,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:18,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:18,565 INFO L244 Elim1Store]: Index analysis took 263 ms [2021-11-21 01:35:18,778 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-21 01:35:18,779 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 [2021-11-21 01:35:19,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:19,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:19,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:19,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:19,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:19,290 INFO L244 Elim1Store]: Index analysis took 238 ms [2021-11-21 01:35:20,144 INFO L354 Elim1Store]: treesize reduction 921, result has 32.4 percent of original size [2021-11-21 01:35:20,144 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 [2021-11-21 01:35:21,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:21,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:21,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:21,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:21,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:21,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:21,377 INFO L244 Elim1Store]: Index analysis took 302 ms [2021-11-21 01:35:21,379 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 [2021-11-21 01:35:22,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:22,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:22,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:22,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:22,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:22,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:22,934 INFO L244 Elim1Store]: Index analysis took 428 ms [2021-11-21 01:35:24,262 INFO L354 Elim1Store]: treesize reduction 1219, result has 22.9 percent of original size [2021-11-21 01:35:24,263 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 [2021-11-21 01:35:25,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:25,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:25,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:25,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:25,528 INFO L244 Elim1Store]: Index analysis took 423 ms [2021-11-21 01:35:25,530 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 [2021-11-21 01:35:26,337 INFO L244 Elim1Store]: Index analysis took 561 ms [2021-11-21 01:35:27,979 INFO L354 Elim1Store]: treesize reduction 1423, result has 23.7 percent of original size [2021-11-21 01:35:27,979 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 [2021-11-21 01:35:31,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:31,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:31,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:31,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:31,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:31,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:31,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:31,693 INFO L244 Elim1Store]: Index analysis took 296 ms [2021-11-21 01:35:31,712 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:35:31,713 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 [2021-11-21 01:35:35,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:35,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,188 INFO L244 Elim1Store]: Index analysis took 154 ms [2021-11-21 01:35:35,190 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 [2021-11-21 01:35:35,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:35,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:35,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:35,884 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-11-21 01:35:35,886 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 [2021-11-21 01:35:36,239 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:36,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:37,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,060 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-21 01:35:37,062 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 [2021-11-21 01:35:37,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:37,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:37,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,804 INFO L244 Elim1Store]: Index analysis took 225 ms [2021-11-21 01:35:37,807 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 [2021-11-21 01:35:38,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:38,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:38,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:38,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:38,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:38,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:38,229 INFO L244 Elim1Store]: Index analysis took 236 ms [2021-11-21 01:35:38,247 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-21 01:35:38,247 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 [2021-11-21 01:35:39,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:39,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:39,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:39,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:39,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:39,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:39,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:39,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:39,392 INFO L244 Elim1Store]: Index analysis took 294 ms [2021-11-21 01:35:39,418 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-21 01:35:39,419 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 [2021-11-21 01:35:40,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:44,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:44,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:44,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:44,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:44,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:44,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:45,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:45,061 INFO L244 Elim1Store]: Index analysis took 206 ms [2021-11-21 01:35:45,064 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 [2021-11-21 01:35:46,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:46,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:46,751 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:46,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:47,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:47,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:47,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:47,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:47,522 INFO L244 Elim1Store]: Index analysis took 219 ms [2021-11-21 01:35:47,806 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-21 01:35:47,807 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 [2021-11-21 01:35:48,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:48,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:48,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:48,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:48,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:48,684 INFO L244 Elim1Store]: Index analysis took 296 ms [2021-11-21 01:35:50,244 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-21 01:35:50,245 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 [2021-11-21 01:35:53,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:53,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:53,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:53,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:53,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:53,437 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-11-21 01:35:53,440 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 [2021-11-21 01:35:54,223 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:54,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:54,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:54,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:54,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:54,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:54,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:54,905 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 [2021-11-21 01:35:55,040 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:55,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:55,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:56,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:57,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:57,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:57,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:57,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:35:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:57,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:57,877 INFO L244 Elim1Store]: Index analysis took 506 ms [2021-11-21 01:35:57,899 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:35:57,900 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 [2021-11-21 01:35:59,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:59,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:59,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:59,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:35:59,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:36:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:00,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:36:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:00,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:36:00,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:00,228 INFO L244 Elim1Store]: Index analysis took 254 ms [2021-11-21 01:36:00,230 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 [2021-11-21 01:36:00,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:36:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:00,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:36:00,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:00,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:36:01,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:36:01,015 INFO L244 Elim1Store]: Index analysis took 189 ms [2021-11-21 01:36:01,017 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 [2021-11-21 01:36:02,379 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:36:02,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:36:15,446 INFO L244 Elim1Store]: Index analysis took 193 ms [2021-11-21 01:36:18,724 INFO L354 Elim1Store]: treesize reduction 7354, result has 50.2 percent of original size [2021-11-21 01:36:18,725 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