./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:56:23,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:56:23,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:56:23,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:56:23,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:56:23,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:56:23,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:56:23,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:56:23,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:56:23,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:56:23,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:56:23,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:56:23,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:56:23,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:56:23,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:56:23,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:56:23,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:56:23,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:56:23,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:56:23,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:56:23,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:56:23,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:56:23,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:56:23,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:56:23,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:56:23,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:56:23,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:56:23,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:56:23,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:56:23,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:56:23,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:56:23,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:56:23,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:56:23,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:56:23,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:56:23,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:56:23,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:56:23,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:56:23,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:56:23,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:56:23,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:56:23,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 18:56:23,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:56:23,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:56:23,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:56:23,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:56:23,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:56:23,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:56:23,713 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:56:23,713 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:56:23,713 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:56:23,713 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:56:23,713 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:56:23,714 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:56:23,714 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:56:23,714 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:56:23,714 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:56:23,715 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:56:23,715 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:56:23,715 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:56:23,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:56:23,716 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:56:23,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:56:23,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:56:23,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:56:23,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:56:23,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:56:23,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:56:23,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:56:23,718 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 18:56:23,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:56:23,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:56:23,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:56:23,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:56:23,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:56:23,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:56:23,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:56:23,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:56:23,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:56:23,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:56:23,720 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:56:23,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:56:23,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:56:23,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:56:23,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:56:23,721 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_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2021-11-25 18:56:24,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:56:24,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:56:24,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:56:24,096 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:56:24,097 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:56:24,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2021-11-25 18:56:24,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/data/77e3eedf8/8f15d194748d46b39a3c5ba8bd8158cf/FLAGec73c737e [2021-11-25 18:56:24,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:56:24,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2021-11-25 18:56:24,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/data/77e3eedf8/8f15d194748d46b39a3c5ba8bd8158cf/FLAGec73c737e [2021-11-25 18:56:25,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/data/77e3eedf8/8f15d194748d46b39a3c5ba8bd8158cf [2021-11-25 18:56:25,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:56:25,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:56:25,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:56:25,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:56:25,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:56:25,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:25,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdcf70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25, skipping insertion in model container [2021-11-25 18:56:25,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:25,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:56:25,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:56:25,597 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_0d062500-7d6a-45f6-a845-bc1d46f5f05c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i[33021,33034] [2021-11-25 18:56:25,751 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_0d062500-7d6a-45f6-a845-bc1d46f5f05c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i[45234,45247] [2021-11-25 18:56:25,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:56:25,774 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:56:25,805 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_0d062500-7d6a-45f6-a845-bc1d46f5f05c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i[33021,33034] [2021-11-25 18:56:25,910 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_0d062500-7d6a-45f6-a845-bc1d46f5f05c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i[45234,45247] [2021-11-25 18:56:25,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:56:25,977 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:56:25,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25 WrapperNode [2021-11-25 18:56:25,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:56:25,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:56:25,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:56:25,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:56:25,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,145 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-25 18:56:26,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:56:26,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:56:26,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:56:26,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:56:26,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:56:26,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:56:26,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:56:26,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:56:26,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (1/1) ... [2021-11-25 18:56:26,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:56:26,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:56:26,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:56:26,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:56:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:56:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:56:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:56:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:56:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:56:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:56:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 18:56:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 18:56:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:56:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:56:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:56:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:56:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:56:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:56:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:56:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:56:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:56:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:56:26,754 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:56:26,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:56:27,866 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:56:28,327 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:56:28,327 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 18:56:28,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:56:28 BoogieIcfgContainer [2021-11-25 18:56:28,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:56:28,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:56:28,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:56:28,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:56:28,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:56:25" (1/3) ... [2021-11-25 18:56:28,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6bd1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:56:28, skipping insertion in model container [2021-11-25 18:56:28,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:56:25" (2/3) ... [2021-11-25 18:56:28,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6bd1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:56:28, skipping insertion in model container [2021-11-25 18:56:28,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:56:28" (3/3) ... [2021-11-25 18:56:28,350 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test8-2.i [2021-11-25 18:56:28,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:56:28,362 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-25 18:56:28,431 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:56:28,444 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:56:28,444 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 18:56:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:56:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 18:56:28,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:28,475 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-25 18:56:28,477 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:56:28,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:28,487 INFO L85 PathProgramCache]: Analyzing trace with hash 32406471, now seen corresponding path program 1 times [2021-11-25 18:56:28,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:28,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433661948] [2021-11-25 18:56:28,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:28,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:28,656 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:56:28,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760064038] [2021-11-25 18:56:28,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:28,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:28,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:56:28,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:56:28,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:56:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:28,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 18:56:28,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:56:28,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:56:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:29,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:56:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:56:29,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:56:29,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:29,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433661948] [2021-11-25 18:56:29,108 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:56:29,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760064038] [2021-11-25 18:56:29,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760064038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:29,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:29,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:56:29,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465114265] [2021-11-25 18:56:29,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:29,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:56:29,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:29,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:56:29,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:56:29,162 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:56:30,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:30,588 INFO L93 Difference]: Finished difference Result 410 states and 706 transitions. [2021-11-25 18:56:30,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:56:30,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-25 18:56:30,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:30,603 INFO L225 Difference]: With dead ends: 410 [2021-11-25 18:56:30,603 INFO L226 Difference]: Without dead ends: 217 [2021-11-25 18:56:30,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:30,611 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 71 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:30,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 533 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:56:30,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-25 18:56:30,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 160. [2021-11-25 18:56:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:56:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2021-11-25 18:56:30,670 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2021-11-25 18:56:30,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:30,670 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2021-11-25 18:56:30,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:56:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2021-11-25 18:56:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 18:56:30,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:30,673 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] [2021-11-25 18:56:30,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:56:30,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:30,890 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:56:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash 286543063, now seen corresponding path program 1 times [2021-11-25 18:56:30,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:30,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653504427] [2021-11-25 18:56:30,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:30,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:56:31,045 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:31,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653504427] [2021-11-25 18:56:31,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653504427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:31,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:31,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:56:31,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11336660] [2021-11-25 18:56:31,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:31,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:56:31,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:31,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:56:31,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:56:31,049 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:56:32,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:32,955 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2021-11-25 18:56:32,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:56:32,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-25 18:56:32,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:32,959 INFO L225 Difference]: With dead ends: 297 [2021-11-25 18:56:32,959 INFO L226 Difference]: Without dead ends: 204 [2021-11-25 18:56:32,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:32,962 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:32,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 520 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:56:32,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-11-25 18:56:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2021-11-25 18:56:32,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:56:32,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2021-11-25 18:56:32,992 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2021-11-25 18:56:32,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:32,992 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2021-11-25 18:56:32,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:56:32,993 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2021-11-25 18:56:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 18:56:32,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:32,994 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] [2021-11-25 18:56:32,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:56:32,994 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:56:32,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:32,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1273614148, now seen corresponding path program 1 times [2021-11-25 18:56:32,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:32,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619135764] [2021-11-25 18:56:32,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:32,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:33,162 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:56:33,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754695022] [2021-11-25 18:56:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:33,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:33,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:56:33,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:56:33,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:56:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:33,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:56:33,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:56:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:56:33,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:56:33,997 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:33,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619135764] [2021-11-25 18:56:33,998 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:56:33,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754695022] [2021-11-25 18:56:33,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754695022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:33,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:33,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:56:33,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4485369] [2021-11-25 18:56:34,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:34,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:56:34,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:34,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:56:34,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:56:34,016 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:56:36,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:36,545 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2021-11-25 18:56:36,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:56:36,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-25 18:56:36,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:36,555 INFO L225 Difference]: With dead ends: 247 [2021-11-25 18:56:36,555 INFO L226 Difference]: Without dead ends: 246 [2021-11-25 18:56:36,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:36,558 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 71 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:36,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 541 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 18:56:36,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-11-25 18:56:36,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2021-11-25 18:56:36,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 177 states have (on average 1.2542372881355932) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 18:56:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2021-11-25 18:56:36,585 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 30 [2021-11-25 18:56:36,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:36,586 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2021-11-25 18:56:36,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:56:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2021-11-25 18:56:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:56:36,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:36,588 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] [2021-11-25 18:56:36,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:56:36,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:36,801 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:56:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:36,802 INFO L85 PathProgramCache]: Analyzing trace with hash -827332882, now seen corresponding path program 1 times [2021-11-25 18:56:36,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:36,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361712975] [2021-11-25 18:56:36,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:36,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:36,916 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:56:36,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [997334090] [2021-11-25 18:56:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:36,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:36,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:56:36,918 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:56:36,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:56:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:37,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 1585 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:56:37,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:56:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:56:37,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:56:37,852 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:37,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361712975] [2021-11-25 18:56:37,853 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:56:37,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997334090] [2021-11-25 18:56:37,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997334090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:37,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:37,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:56:37,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84160188] [2021-11-25 18:56:37,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:37,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:56:37,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:37,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:56:37,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:56:37,856 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:56:38,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:38,683 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2021-11-25 18:56:38,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:56:38,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-25 18:56:38,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:38,693 INFO L225 Difference]: With dead ends: 213 [2021-11-25 18:56:38,694 INFO L226 Difference]: Without dead ends: 212 [2021-11-25 18:56:38,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:38,695 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 190 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:38,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:56:38,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-25 18:56:38,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-25 18:56:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2485875706214689) internal successors, (221), 198 states have internal predecessors, (221), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-25 18:56:38,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 269 transitions. [2021-11-25 18:56:38,722 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 269 transitions. Word has length 31 [2021-11-25 18:56:38,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:38,722 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 269 transitions. [2021-11-25 18:56:38,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:56:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 269 transitions. [2021-11-25 18:56:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 18:56:38,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:38,725 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] [2021-11-25 18:56:38,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:56:38,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:38,959 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:56:38,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:38,960 INFO L85 PathProgramCache]: Analyzing trace with hash -290716707, now seen corresponding path program 1 times [2021-11-25 18:56:38,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:38,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126498383] [2021-11-25 18:56:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:38,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:39,125 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:56:39,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542407241] [2021-11-25 18:56:39,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:39,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:39,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:56:39,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:56:39,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:56:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:39,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:56:39,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:56:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:56:40,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:56:40,131 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:40,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126498383] [2021-11-25 18:56:40,132 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:56:40,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542407241] [2021-11-25 18:56:40,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542407241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:40,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:40,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:56:40,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250986102] [2021-11-25 18:56:40,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:40,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:56:40,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:40,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:56:40,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:56:40,135 INFO L87 Difference]: Start difference. First operand 212 states and 269 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:56:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:40,984 INFO L93 Difference]: Finished difference Result 432 states and 547 transitions. [2021-11-25 18:56:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:56:40,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 39 [2021-11-25 18:56:40,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:40,988 INFO L225 Difference]: With dead ends: 432 [2021-11-25 18:56:40,988 INFO L226 Difference]: Without dead ends: 247 [2021-11-25 18:56:40,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:56:40,990 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:40,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 357 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:56:40,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-25 18:56:41,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2021-11-25 18:56:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 208 states have (on average 1.2307692307692308) internal successors, (256), 229 states have internal predecessors, (256), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-25 18:56:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 306 transitions. [2021-11-25 18:56:41,013 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 306 transitions. Word has length 39 [2021-11-25 18:56:41,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:41,014 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 306 transitions. [2021-11-25 18:56:41,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:56:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 306 transitions. [2021-11-25 18:56:41,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:56:41,017 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:41,017 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:56:41,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:56:41,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:41,232 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:56:41,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:41,233 INFO L85 PathProgramCache]: Analyzing trace with hash -970471061, now seen corresponding path program 1 times [2021-11-25 18:56:41,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:41,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139619421] [2021-11-25 18:56:41,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:41,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:41,297 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:56:41,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787053575] [2021-11-25 18:56:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:41,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:41,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:56:41,304 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:56:41,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:56:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:42,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:56:42,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:56:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:56:42,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:56:42,140 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:42,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139619421] [2021-11-25 18:56:42,141 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:56:42,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787053575] [2021-11-25 18:56:42,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787053575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:42,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:42,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:56:42,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891669427] [2021-11-25 18:56:42,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:42,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:56:42,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:42,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:56:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:56:42,145 INFO L87 Difference]: Start difference. First operand 244 states and 306 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:56:45,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:56:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:45,885 INFO L93 Difference]: Finished difference Result 471 states and 599 transitions. [2021-11-25 18:56:45,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:56:45,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 52 [2021-11-25 18:56:45,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:45,911 INFO L225 Difference]: With dead ends: 471 [2021-11-25 18:56:45,911 INFO L226 Difference]: Without dead ends: 248 [2021-11-25 18:56:45,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:45,914 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:45,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 542 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-25 18:56:45,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-25 18:56:45,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-25 18:56:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 233 states have internal predecessors, (260), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2021-11-25 18:56:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 312 transitions. [2021-11-25 18:56:45,936 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 312 transitions. Word has length 52 [2021-11-25 18:56:45,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:45,937 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 312 transitions. [2021-11-25 18:56:45,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:56:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 312 transitions. [2021-11-25 18:56:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 18:56:45,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:45,940 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] [2021-11-25 18:56:45,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:56:46,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 18:56:46,153 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-25 18:56:46,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:46,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1407185215, now seen corresponding path program 1 times [2021-11-25 18:56:46,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:46,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445048441] [2021-11-25 18:56:46,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:46,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:46,211 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:56:46,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919097998] [2021-11-25 18:56:46,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:46,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:56:46,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:56:46,229 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:56:46,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d062500-7d6a-45f6-a845-bc1d46f5f05c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:56:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:47,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 18:56:47,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:56:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:56:47,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:56:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:56:47,935 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:47,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445048441] [2021-11-25 18:56:47,938 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:56:47,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919097998] [2021-11-25 18:56:47,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919097998] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:56:47,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [21125935] [2021-11-25 18:56:47,961 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-11-25 18:56:47,961 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:56:47,967 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:56:47,972 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:56:47,973 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:56:48,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:56:48,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:56:48,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,082 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 18:56:48,083 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 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 18:56:48,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 18:56:48,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,122 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:56:48,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:56:48,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:56:48,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,205 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:56:48,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 18:56:48,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:56:48,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,272 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:56:48,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:56:48,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-25 18:56:48,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-25 18:56:48,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:56:48,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:56:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:56:48,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2021-11-25 18:56:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-25 18:56:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:56:48,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:48,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:56:49,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:56:49,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-25 18:56:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:56:49,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,249 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:56:49,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 18:56:49,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:56:49,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:56:49,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:56:49,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:56:49,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:56:49,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:56:49,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:56:49,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:56:49,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:56:49,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:56:49,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:56:49,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:56:49,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:56:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:56:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:56:49,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:56:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:56:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:56:49,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:56:56,892 WARN L227 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:56:56,893 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:56:56,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:56:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:08,386 WARN L227 SmtUtils]: Spent 11.33s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:57:08,387 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:57:08,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:57:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:09,145 INFO L244 Elim1Store]: Index analysis took 440 ms [2021-11-25 18:57:21,102 WARN L227 SmtUtils]: Spent 11.64s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:57:21,104 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:57:21,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:57:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:21,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:21,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:21,890 INFO L244 Elim1Store]: Index analysis took 279 ms [2021-11-25 18:57:23,327 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:57:23,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 18:57:23,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:23,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:23,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:23,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:57:24,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:24,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:24,401 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:57:24,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:57:24,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:24,912 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:57:24,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:57:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:25,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:57:25,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:25,124 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:25,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:25,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:57:25,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:25,495 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 18:57:25,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 18:57:25,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:25,708 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-25 18:57:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:26,244 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-25 18:57:26,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-25 18:57:26,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:26,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 18:57:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,431 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-25 18:57:27,433 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 3589 treesize of output 3133 [2021-11-25 18:57:27,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:27,606 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:27,651 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:27,684 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:27,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:27,767 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:27,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:27,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:27,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 18:57:28,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:28,403 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-25 18:57:30,011 INFO L354 Elim1Store]: treesize reduction 31, result has 98.3 percent of original size [2021-11-25 18:57:30,012 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 3598 treesize of output 4945 [2021-11-25 18:57:31,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,485 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-25 18:57:31,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:57:31,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1274 treesize of output 876 [2021-11-25 18:57:31,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:31,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:31,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:31,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:31,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:31,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:31,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:31,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1274 treesize of output 824 [2021-11-25 18:57:31,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:32,028 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:32,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:32,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:32,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:32,541 INFO L244 Elim1Store]: Index analysis took 256 ms [2021-11-25 18:57:34,634 INFO L354 Elim1Store]: treesize reduction 507, result has 72.9 percent of original size [2021-11-25 18:57:34,634 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 1797 treesize of output 2694 [2021-11-25 18:57:34,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:34,751 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:34,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:34,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:34,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:34,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:34,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:35,080 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-25 18:57:35,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:57:35,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1720 treesize of output 1516 [2021-11-25 18:57:36,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:36,351 INFO L244 Elim1Store]: Index analysis took 242 ms [2021-11-25 18:57:36,794 INFO L354 Elim1Store]: treesize reduction 1671, result has 9.6 percent of original size [2021-11-25 18:57:36,794 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 5 new quantified variables, introduced 9 case distinctions, treesize of input 3586 treesize of output 3308 [2021-11-25 18:57:37,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,684 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 3589 treesize of output 3133 [2021-11-25 18:57:37,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:37,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:37,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:37,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:37,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:37,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,063 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-25 18:57:38,065 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 1788 treesize of output 1326 [2021-11-25 18:57:38,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,380 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,578 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,654 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:38,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:38,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:38,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:38,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 18:57:39,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:39,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:39,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:39,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:39,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:39,544 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:57:39,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 3589 treesize of output 3203 [2021-11-25 18:57:39,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:39,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:39,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:40,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:40,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:40,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:40,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:40,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:40,165 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 18:57:40,264 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:57:40,264 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 1788 treesize of output 1378 [2021-11-25 18:57:40,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,632 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:40,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:57:41,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:41,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:41,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:57:41,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:41,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:41,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:41,484 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 18:57:41,502 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 18:57:41,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3577 treesize of output 3127 [2021-11-25 18:57:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:43,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:43,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:43,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:57:43,232 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-11-25 18:57:47,171 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 18:57:47,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 102870 treesize of output 104008