./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:31:33,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:31:33,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:31:33,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:31:33,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:31:33,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:31:33,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:31:33,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:31:33,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:31:33,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:31:33,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:31:33,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:31:33,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:31:33,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:31:33,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:31:33,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:31:33,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:31:33,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:31:33,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:31:33,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:31:33,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:31:33,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:31:33,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:31:33,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:31:33,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:31:33,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:31:33,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:31:33,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:31:33,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:31:33,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:31:33,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:31:33,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:31:33,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:31:33,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:31:33,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:31:33,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:31:33,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:31:33,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:31:33,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:31:33,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:31:33,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:31:33,782 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:31:33,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:31:33,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:31:33,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:31:33,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:31:33,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:31:33,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:31:33,835 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:31:33,835 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:31:33,835 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:31:33,835 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:31:33,836 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:31:33,837 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:31:33,837 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:31:33,837 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:31:33,837 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:31:33,838 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:31:33,838 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:31:33,838 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:31:33,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:31:33,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:31:33,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:31:33,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:31:33,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:31:33,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:31:33,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:31:33,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:31:33,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:31:33,843 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:31:33,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:31:33,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:31:33,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:31:33,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:31:33,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:31:33,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:31:33,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:31:33,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:31:33,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:31:33,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:31:33,845 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:31:33,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:31:33,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:31:33,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:31:33,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:31:33,846 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_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 713ae5dee39d08db1e818ebc31454a222c136fde7aad4a26405d3060cfa0eeea [2021-11-21 00:31:34,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:31:34,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:31:34,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:31:34,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:31:34,176 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:31:34,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2021-11-21 00:31:34,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/data/781099fc3/36eae870b2aa43c091d5bbabc5baae58/FLAG62256bd39 [2021-11-21 00:31:34,877 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:31:34,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i [2021-11-21 00:31:34,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/data/781099fc3/36eae870b2aa43c091d5bbabc5baae58/FLAG62256bd39 [2021-11-21 00:31:35,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/data/781099fc3/36eae870b2aa43c091d5bbabc5baae58 [2021-11-21 00:31:35,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:31:35,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:31:35,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:31:35,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:31:35,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:31:35,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:31:35" (1/1) ... [2021-11-21 00:31:35,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566ec93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:35, skipping insertion in model container [2021-11-21 00:31:35,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:31:35" (1/1) ... [2021-11-21 00:31:35,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:31:35,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:31:35,726 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_f3d29705-edf8-4f74-91a2-95cec2d1bef3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[33021,33034] [2021-11-21 00:31:35,938 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_f3d29705-edf8-4f74-91a2-95cec2d1bef3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[49681,49694] [2021-11-21 00:31:35,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:31:35,981 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:31:36,034 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_f3d29705-edf8-4f74-91a2-95cec2d1bef3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[33021,33034] [2021-11-21 00:31:36,114 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_f3d29705-edf8-4f74-91a2-95cec2d1bef3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test5-3.i[49681,49694] [2021-11-21 00:31:36,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:31:36,179 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:31:36,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36 WrapperNode [2021-11-21 00:31:36,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:31:36,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:31:36,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:31:36,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:31:36,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,341 INFO L137 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2021-11-21 00:31:36,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:31:36,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:31:36,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:31:36,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:31:36,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:31:36,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:31:36,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:31:36,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:31:36,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (1/1) ... [2021-11-21 00:31:36,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:31:36,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:31:36,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:31:36,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:31:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:31:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:31:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:31:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:31:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:31:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:31:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:31:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:31:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:31:36,949 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:31:36,951 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:31:38,414 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:31:39,009 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:31:39,009 INFO L301 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-21 00:31:39,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:31:39 BoogieIcfgContainer [2021-11-21 00:31:39,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:31:39,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:31:39,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:31:39,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:31:39,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:31:35" (1/3) ... [2021-11-21 00:31:39,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103677f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:31:39, skipping insertion in model container [2021-11-21 00:31:39,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:31:36" (2/3) ... [2021-11-21 00:31:39,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103677f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:31:39, skipping insertion in model container [2021-11-21 00:31:39,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:31:39" (3/3) ... [2021-11-21 00:31:39,024 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test5-3.i [2021-11-21 00:31:39,032 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:31:39,032 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-21 00:31:39,094 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:31:39,105 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:31:39,105 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-21 00:31:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 190 states, 166 states have (on average 1.8313253012048192) internal successors, (304), 181 states have internal predecessors, (304), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-21 00:31:39,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 00:31:39,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:31:39,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 00:31:39,134 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 00:31:39,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:31:39,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1340156, now seen corresponding path program 1 times [2021-11-21 00:31:39,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:31:39,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435268036] [2021-11-21 00:31:39,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:39,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:31:39,291 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:31:39,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246156989] [2021-11-21 00:31:39,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:39,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:31:39,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:31:39,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:31:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:31:39,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:31:39,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:31:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:31:39,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:31:39,589 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:31:39,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435268036] [2021-11-21 00:31:39,589 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:31:39,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246156989] [2021-11-21 00:31:39,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246156989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:31:39,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:31:39,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 00:31:39,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703706673] [2021-11-21 00:31:39,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:31:39,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:31:39,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:31:39,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:31:39,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:31:39,635 INFO L87 Difference]: Start difference. First operand has 190 states, 166 states have (on average 1.8313253012048192) internal successors, (304), 181 states have internal predecessors, (304), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:31:41,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:31:41,288 INFO L93 Difference]: Finished difference Result 528 states and 925 transitions. [2021-11-21 00:31:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:31:41,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-21 00:31:41,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:31:41,318 INFO L225 Difference]: With dead ends: 528 [2021-11-21 00:31:41,324 INFO L226 Difference]: Without dead ends: 312 [2021-11-21 00:31:41,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:31:41,336 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 159 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:31:41,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 381 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:31:41,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-21 00:31:41,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-21 00:31:41,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 186 states have (on average 1.2473118279569892) internal successors, (232), 203 states have internal predecessors, (232), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:31:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-21 00:31:41,400 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-21 00:31:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:31:41,400 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-21 00:31:41,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:31:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-21 00:31:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 00:31:41,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:31:41,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:31:41,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:31:41,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:41,620 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 00:31:41,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:31:41,621 INFO L85 PathProgramCache]: Analyzing trace with hash -938569559, now seen corresponding path program 1 times [2021-11-21 00:31:41,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:31:41,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960272689] [2021-11-21 00:31:41,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:41,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:31:41,676 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:31:41,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619532634] [2021-11-21 00:31:41,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:41,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:41,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:31:41,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:31:41,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:31:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:31:41,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:31:41,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:31:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:31:42,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:31:42,178 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:31:42,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960272689] [2021-11-21 00:31:42,178 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:31:42,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619532634] [2021-11-21 00:31:42,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619532634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:31:42,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:31:42,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:31:42,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134617513] [2021-11-21 00:31:42,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:31:42,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:31:42,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:31:42,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:31:42,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:31:42,183 INFO L87 Difference]: Start difference. First operand 212 states and 264 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:31:46,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:31:46,796 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-21 00:31:46,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:31:46,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-21 00:31:46,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:31:46,805 INFO L225 Difference]: With dead ends: 312 [2021-11-21 00:31:46,805 INFO L226 Difference]: Without dead ends: 311 [2021-11-21 00:31:46,806 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:31:46,808 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 116 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:31:46,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 521 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-21 00:31:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-21 00:31:46,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-21 00:31:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 275 states have (on average 1.2036363636363636) internal successors, (331), 292 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:31:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-21 00:31:46,839 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-21 00:31:46,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:31:46,840 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-21 00:31:46,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:31:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-21 00:31:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 00:31:46,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:31:46,843 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:31:46,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:31:47,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:47,082 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 00:31:47,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:31:47,082 INFO L85 PathProgramCache]: Analyzing trace with hash 969115508, now seen corresponding path program 1 times [2021-11-21 00:31:47,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:31:47,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729204912] [2021-11-21 00:31:47,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:47,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:31:47,107 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:31:47,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212930829] [2021-11-21 00:31:47,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:47,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:47,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:31:47,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:31:47,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:31:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:31:47,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:31:47,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:31:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:31:47,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:31:47,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:31:47,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729204912] [2021-11-21 00:31:47,563 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:31:47,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212930829] [2021-11-21 00:31:47,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212930829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:31:47,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:31:47,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:31:47,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964913685] [2021-11-21 00:31:47,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:31:47,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:31:47,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:31:47,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:31:47,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:31:47,566 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:31:48,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:31:48,750 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-21 00:31:48,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:31:48,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-21 00:31:48,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:31:48,763 INFO L225 Difference]: With dead ends: 307 [2021-11-21 00:31:48,764 INFO L226 Difference]: Without dead ends: 305 [2021-11-21 00:31:48,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:31:48,765 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:31:48,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 00:31:48,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-21 00:31:48,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-21 00:31:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 274 states have (on average 1.197080291970803) internal successors, (328), 289 states have internal predecessors, (328), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:31:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-21 00:31:48,814 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-21 00:31:48,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:31:48,815 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-21 00:31:48,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:31:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-21 00:31:48,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 00:31:48,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:31:48,818 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:31:48,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:31:49,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 00:31:49,035 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 00:31:49,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:31:49,035 INFO L85 PathProgramCache]: Analyzing trace with hash -687852433, now seen corresponding path program 1 times [2021-11-21 00:31:49,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:31:49,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217226039] [2021-11-21 00:31:49,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:49,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:31:49,059 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:31:49,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1865920052] [2021-11-21 00:31:49,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:49,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:49,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:31:49,069 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:31:49,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:31:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:31:49,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:31:49,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:31:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:31:49,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:31:49,631 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:31:49,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217226039] [2021-11-21 00:31:49,632 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:31:49,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865920052] [2021-11-21 00:31:49,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865920052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:31:49,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:31:49,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:31:49,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871726441] [2021-11-21 00:31:49,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:31:49,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:31:49,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:31:49,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:31:49,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:31:49,635 INFO L87 Difference]: Start difference. First operand 304 states and 372 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:31:51,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:31:51,950 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-21 00:31:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:31:51,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-21 00:31:51,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:31:51,967 INFO L225 Difference]: With dead ends: 589 [2021-11-21 00:31:51,967 INFO L226 Difference]: Without dead ends: 357 [2021-11-21 00:31:51,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:31:51,970 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:31:51,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:31:51,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-21 00:31:51,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-21 00:31:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 338 states have internal predecessors, (383), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-21 00:31:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-21 00:31:51,998 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-21 00:31:51,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:31:51,998 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-21 00:31:51,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:31:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-21 00:31:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:31:52,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:31:52,002 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:31:52,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:31:52,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:52,212 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 00:31:52,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:31:52,213 INFO L85 PathProgramCache]: Analyzing trace with hash 275991936, now seen corresponding path program 1 times [2021-11-21 00:31:52,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:31:52,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463337402] [2021-11-21 00:31:52,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:52,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:31:52,258 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:31:52,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806912851] [2021-11-21 00:31:52,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:52,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:52,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:31:52,271 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:31:52,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:31:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:31:52,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:31:52,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:31:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:31:52,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:31:52,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:31:52,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463337402] [2021-11-21 00:31:52,756 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:31:52,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806912851] [2021-11-21 00:31:52,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806912851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:31:52,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:31:52,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:31:52,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357078343] [2021-11-21 00:31:52,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:31:52,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:31:52,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:31:52,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:31:52,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:31:52,760 INFO L87 Difference]: Start difference. First operand 353 states and 447 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:31:55,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:31:55,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:31:55,989 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-21 00:31:56,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:31:56,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 00:31:56,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:31:56,014 INFO L225 Difference]: With dead ends: 678 [2021-11-21 00:31:56,015 INFO L226 Difference]: Without dead ends: 351 [2021-11-21 00:31:56,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:31:56,018 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:31:56,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-21 00:31:56,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-21 00:31:56,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-21 00:31:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 336 states have internal predecessors, (380), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-21 00:31:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-21 00:31:56,040 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-21 00:31:56,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:31:56,041 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-21 00:31:56,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:31:56,041 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-21 00:31:56,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 00:31:56,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:31:56,044 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:31:56,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:31:56,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:56,259 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 00:31:56,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:31:56,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1091525609, now seen corresponding path program 1 times [2021-11-21 00:31:56,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:31:56,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663448121] [2021-11-21 00:31:56,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:56,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:31:56,278 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:31:56,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881840780] [2021-11-21 00:31:56,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:56,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:31:56,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:31:56,281 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:31:56,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:32:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:47,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:32:47,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:32:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:32:48,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:32:48,016 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:48,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663448121] [2021-11-21 00:32:48,017 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:32:48,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881840780] [2021-11-21 00:32:48,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881840780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:32:48,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:32:48,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:32:48,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676785430] [2021-11-21 00:32:48,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:32:48,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:32:48,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:32:48,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:32:48,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:32:48,022 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:32:50,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:32:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:32:52,279 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-21 00:32:52,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:32:52,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-21 00:32:52,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:32:52,295 INFO L225 Difference]: With dead ends: 684 [2021-11-21 00:32:52,295 INFO L226 Difference]: Without dead ends: 353 [2021-11-21 00:32:52,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:32:52,298 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:32:52,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-21 00:32:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-21 00:32:52,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-21 00:32:52,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 338 states have internal predecessors, (382), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-21 00:32:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-21 00:32:52,324 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-21 00:32:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:32:52,324 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-21 00:32:52,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:32:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-21 00:32:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 00:32:52,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:52,327 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:32:52,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 00:32:52,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:52,555 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 00:32:52,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:52,555 INFO L85 PathProgramCache]: Analyzing trace with hash 465521, now seen corresponding path program 1 times [2021-11-21 00:32:52,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:52,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385843241] [2021-11-21 00:32:52,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:52,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:52,573 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:32:52,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626542810] [2021-11-21 00:32:52,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:52,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:32:52,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:32:52,574 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:32:52,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d29705-edf8-4f74-91a2-95cec2d1bef3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 00:32:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:54,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 00:32:54,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:32:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 00:32:54,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:32:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 00:32:54,954 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:54,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385843241] [2021-11-21 00:32:54,954 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:32:54,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626542810] [2021-11-21 00:32:54,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626542810] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:32:54,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1875957547] [2021-11-21 00:32:54,980 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 00:32:54,980 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:32:54,986 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:32:54,991 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:32:54,991 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:32:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,240 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:32:55,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:32:55,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:32:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,356 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:32:55,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:32:55,423 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:32:55,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 00:32:55,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:32:55,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:32:55,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,524 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:32:55,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:32:55,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:32:55,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:32:55,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:55,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 00:32:57,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:32:57,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:32:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:32:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:32:57,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:32:57,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:32:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:32:57,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:32:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:32:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,921 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:32:57,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:32:57,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:32:57,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:57,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:58,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:58,083 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 00:32:58,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 00:32:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:58,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:58,147 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:32:58,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 00:32:58,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:32:58,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:32:58,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:32:58,910 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:32:58,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 00:32:58,938 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:32:58,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 00:32:58,967 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:32:58,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 00:32:59,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:32:59,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:32:59,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:32:59,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:32:59,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:32:59,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:32:59,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:32:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:32:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:32:59,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:33:07,409 WARN L227 SmtUtils]: Spent 7.57s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:33:07,410 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:33:07,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:33:07,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:19,636 WARN L227 SmtUtils]: Spent 12.14s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:33:19,637 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:33:19,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:33:32,304 WARN L227 SmtUtils]: Spent 12.53s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:33:32,305 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:33:32,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-21 00:33:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:33,639 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:33:33,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-21 00:33:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:34,494 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 00:33:34,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-21 00:33:36,378 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:36,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:36,748 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:33:36,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 00:33:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:37,318 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 00:33:37,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-21 00:33:42,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:43,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:43,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:43,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:45,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:46,033 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:49,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:53,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:54,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:55,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:55,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:55,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:55,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:56,511 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:56,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:33:57,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:33:57,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:57,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:57,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:33:57,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:57,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:33:57,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:33:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:33:57,668 INFO L244 Elim1Store]: Index analysis took 135 ms [2021-11-21 00:33:57,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 866 treesize of output 400 [2021-11-21 00:34:03,261 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:03,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:03,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:03,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:04,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:14,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:14,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:19,510 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:19,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:20,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:20,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:21,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:21,647 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:34:33,473 WARN L227 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 100 DAG size of output: 92 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:34:33,475 INFO L354 Elim1Store]: treesize reduction 122, result has 93.4 percent of original size [2021-11-21 00:34:33,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 25954 treesize of output 27158 [2021-11-21 00:34:33,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:34:39,234 WARN L227 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 101 DAG size of output: 89 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:34:39,235 INFO L354 Elim1Store]: treesize reduction 114, result has 93.8 percent of original size [2021-11-21 00:34:39,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 28211 treesize of output 29401 [2021-11-21 00:35:16,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:16,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:16,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1708 treesize of output 1302 [2021-11-21 00:35:16,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:16,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:17,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:17,128 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-11-21 00:35:17,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2325 treesize of output 1913 [2021-11-21 00:35:17,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:17,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,005 INFO L244 Elim1Store]: Index analysis took 237 ms [2021-11-21 00:35:18,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 371 [2021-11-21 00:35:18,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:18,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:18,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:18,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:18,944 INFO L244 Elim1Store]: Index analysis took 274 ms [2021-11-21 00:35:18,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 371 [2021-11-21 00:35:19,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:19,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:19,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:19,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:19,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:19,521 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-21 00:35:19,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1314 treesize of output 926 [2021-11-21 00:35:19,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:21,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:21,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:21,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:21,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:21,679 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-21 00:35:21,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2304 treesize of output 1910 [2021-11-21 00:35:22,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:22,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:22,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:22,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:22,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:22,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:23,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:23,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:23,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:23,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:23,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1687 treesize of output 1299 [2021-11-21 00:35:23,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:24,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:24,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:24,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:24,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:24,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:24,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:24,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2304 treesize of output 1910 [2021-11-21 00:35:24,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:25,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:25,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:25,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:25,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:25,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:26,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:26,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:26,092 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-21 00:35:26,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1687 treesize of output 1299 [2021-11-21 00:35:26,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:27,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:28,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:28,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:28,888 INFO L244 Elim1Store]: Index analysis took 256 ms [2021-11-21 00:35:28,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 00:35:29,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:29,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:30,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:30,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:30,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:30,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:30,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:30,170 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-11-21 00:35:30,294 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-21 00:35:30,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2402 treesize of output 1916 [2021-11-21 00:35:30,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:30,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:30,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:30,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:30,864 INFO L244 Elim1Store]: Index analysis took 309 ms [2021-11-21 00:35:31,795 INFO L354 Elim1Store]: treesize reduction 921, result has 32.4 percent of original size [2021-11-21 00:35:31,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 830 treesize of output 815 [2021-11-21 00:35:32,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:32,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:32,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:32,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:32,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:32,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:32,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:32,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:32,945 INFO L244 Elim1Store]: Index analysis took 265 ms [2021-11-21 00:35:32,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-21 00:35:34,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:34,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:34,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:34,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:34,296 INFO L244 Elim1Store]: Index analysis took 355 ms [2021-11-21 00:35:35,158 INFO L354 Elim1Store]: treesize reduction 1219, result has 22.9 percent of original size [2021-11-21 00:35:35,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 1391 treesize of output 1291 [2021-11-21 00:35:36,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:36,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:36,456 INFO L244 Elim1Store]: Index analysis took 442 ms [2021-11-21 00:35:36,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 830 treesize of output 374 [2021-11-21 00:35:37,126 INFO L244 Elim1Store]: Index analysis took 429 ms [2021-11-21 00:35:38,376 INFO L354 Elim1Store]: treesize reduction 1423, result has 23.7 percent of original size [2021-11-21 00:35:38,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 830 treesize of output 815 [2021-11-21 00:35:42,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:42,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:42,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:42,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:42,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:42,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:42,419 INFO L244 Elim1Store]: Index analysis took 336 ms [2021-11-21 00:35:42,452 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 00:35:42,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1785 treesize of output 1305 [2021-11-21 00:35:46,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:46,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:46,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:46,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:46,287 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-21 00:35:46,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 00:35:46,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:47,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:47,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:47,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:47,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:47,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:47,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:47,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:47,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:47,386 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-11-21 00:35:47,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 00:35:48,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:49,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,245 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-21 00:35:49,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2393 treesize of output 1913 [2021-11-21 00:35:49,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:49,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:49,949 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-11-21 00:35:49,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 00:35:50,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:50,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:50,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:50,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:50,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:50,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:50,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:50,368 INFO L244 Elim1Store]: Index analysis took 220 ms [2021-11-21 00:35:50,391 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-21 00:35:50,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1382 treesize of output 926 [2021-11-21 00:35:51,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:51,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:51,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:51,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:51,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:51,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:51,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:51,598 INFO L244 Elim1Store]: Index analysis took 283 ms [2021-11-21 00:35:51,635 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-21 00:35:51,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 00:35:52,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:56,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:56,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:56,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:56,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:56,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:56,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:56,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:56,965 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-21 00:35:56,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1764 treesize of output 1302 [2021-11-21 00:35:57,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:58,104 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:58,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:58,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:35:58,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:58,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:58,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:59,101 INFO L244 Elim1Store]: Index analysis took 200 ms [2021-11-21 00:35:59,324 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-21 00:35:59,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1370 treesize of output 926 [2021-11-21 00:35:59,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:59,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:35:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:59,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:35:59,986 INFO L244 Elim1Store]: Index analysis took 217 ms [2021-11-21 00:36:01,306 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-21 00:36:01,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2381 treesize of output 2275 [2021-11-21 00:36:03,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:03,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:03,981 INFO L244 Elim1Store]: Index analysis took 137 ms [2021-11-21 00:36:03,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2372 treesize of output 1910 [2021-11-21 00:36:05,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:05,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:05,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:05,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:05,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:05,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:05,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:05,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1361 treesize of output 923 [2021-11-21 00:36:06,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:06,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:06,972 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:08,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:08,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:08,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:08,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:08,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:08,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:09,183 INFO L244 Elim1Store]: Index analysis took 529 ms [2021-11-21 00:36:09,205 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 00:36:09,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1764 treesize of output 1302 [2021-11-21 00:36:10,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:10,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:10,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:10,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:11,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:11,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:11,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:11,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:11,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:11,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:11,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:11,443 INFO L244 Elim1Store]: Index analysis took 250 ms [2021-11-21 00:36:11,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1370 treesize of output 926 [2021-11-21 00:36:11,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:12,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:12,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:36:12,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:36:12,155 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-21 00:36:12,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2381 treesize of output 1913 [2021-11-21 00:36:13,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:13,614 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:36:25,448 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-21 00:36:28,680 INFO L354 Elim1Store]: treesize reduction 7354, result has 50.2 percent of original size [2021-11-21 00:36:28,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 5771 treesize of output 11341