./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:31:27,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:31:27,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:31:27,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:31:27,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:31:27,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:31:27,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:31:27,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:31:27,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:31:27,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:31:27,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:31:27,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:31:27,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:31:27,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:31:27,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:31:27,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:31:27,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:31:27,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:31:27,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:31:27,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:31:27,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:31:27,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:31:27,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:31:27,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:31:27,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:31:27,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:31:27,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:31:27,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:31:27,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:31:27,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:31:27,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:31:27,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:31:27,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:31:27,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:31:27,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:31:27,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:31:27,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:31:27,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:31:27,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:31:27,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:31:27,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:31:27,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 18:31:27,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:31:27,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:31:27,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:31:27,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:31:27,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:31:27,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:31:27,787 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:31:27,787 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:31:27,787 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:31:27,788 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:31:27,788 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:31:27,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:31:27,789 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:31:27,789 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:31:27,789 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:31:27,790 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:31:27,790 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:31:27,790 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:31:27,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:31:27,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:31:27,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:31:27,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:31:27,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:31:27,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:31:27,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:31:27,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:31:27,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:31:27,794 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 18:31:27,794 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:31:27,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:31:27,795 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:31:27,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:31:27,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:31:27,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:31:27,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:31:27,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:31:27,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:31:27,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:31:27,797 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:31:27,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:31:27,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:31:27,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:31:27,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:31:27,799 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_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013 [2021-11-25 18:31:28,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:31:28,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:31:28,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:31:28,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:31:28,123 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:31:28,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i [2021-11-25 18:31:28,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/data/92f44c559/84452de49c684b40be19adfa26709ebc/FLAGa82f1a004 [2021-11-25 18:31:28,908 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:31:28,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i [2021-11-25 18:31:28,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/data/92f44c559/84452de49c684b40be19adfa26709ebc/FLAGa82f1a004 [2021-11-25 18:31:29,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/data/92f44c559/84452de49c684b40be19adfa26709ebc [2021-11-25 18:31:29,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:31:29,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:31:29,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:31:29,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:31:29,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:31:29,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:29" (1/1) ... [2021-11-25 18:31:29,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bca211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:29, skipping insertion in model container [2021-11-25 18:31:29,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:29" (1/1) ... [2021-11-25 18:31:29,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:31:29,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:31:29,858 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_5cc3fad7-236e-489a-b3cb-2ba054e1a335/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i[33021,33034] [2021-11-25 18:31:30,121 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_5cc3fad7-236e-489a-b3cb-2ba054e1a335/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i[49681,49694] [2021-11-25 18:31:30,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:31:30,168 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:31:30,220 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_5cc3fad7-236e-489a-b3cb-2ba054e1a335/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i[33021,33034] [2021-11-25 18:31:30,329 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_5cc3fad7-236e-489a-b3cb-2ba054e1a335/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i[49681,49694] [2021-11-25 18:31:30,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:31:30,414 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:31:30,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30 WrapperNode [2021-11-25 18:31:30,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:31:30,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:31:30,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:31:30,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:31:30,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,681 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2021-11-25 18:31:30,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:31:30,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:31:30,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:31:30,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:31:30,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:31:30,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:31:30,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:31:30,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:31:30,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (1/1) ... [2021-11-25 18:31:30,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:31:30,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:30,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:31:30,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:31:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:31:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:31:30,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:31:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:31:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:31:30,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:31:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:31:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:31:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:31:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:31:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:31:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:31:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:31:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:31:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:31:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:31:31,319 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:31:31,322 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:31:32,967 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:31:33,525 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:31:33,526 INFO L301 CfgBuilder]: Removed 83 assume(true) statements. [2021-11-25 18:31:33,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:33 BoogieIcfgContainer [2021-11-25 18:31:33,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:31:33,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:31:33,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:31:33,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:31:33,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:31:29" (1/3) ... [2021-11-25 18:31:33,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1933b989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:31:33, skipping insertion in model container [2021-11-25 18:31:33,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:30" (2/3) ... [2021-11-25 18:31:33,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1933b989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:31:33, skipping insertion in model container [2021-11-25 18:31:33,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:33" (3/3) ... [2021-11-25 18:31:33,546 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-1.i [2021-11-25 18:31:33,555 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:31:33,555 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-25 18:31:33,646 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:31:33,660 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:31:33,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-25 18:31:33,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 18:31:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 18:31:33,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:33,697 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 18:31:33,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 18:31:33,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:33,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1119808, now seen corresponding path program 1 times [2021-11-25 18:31:33,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:33,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237988533] [2021-11-25 18:31:33,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:33,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:33,948 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:31:33,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [997626581] [2021-11-25 18:31:33,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:33,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:33,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:33,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:31:33,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:31:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:34,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:31:34,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:31:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:31:34,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:31:34,310 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:34,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237988533] [2021-11-25 18:31:34,311 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:31:34,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997626581] [2021-11-25 18:31:34,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997626581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:34,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:34,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 18:31:34,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817809588] [2021-11-25 18:31:34,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:34,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:34,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:34,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:34,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:34,354 INFO L87 Difference]: Start difference. First operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:31:36,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:36,696 INFO L93 Difference]: Finished difference Result 476 states and 831 transitions. [2021-11-25 18:31:36,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:36,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-25 18:31:36,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:36,726 INFO L225 Difference]: With dead ends: 476 [2021-11-25 18:31:36,726 INFO L226 Difference]: Without dead ends: 312 [2021-11-25 18:31:36,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:36,736 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 159 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:36,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 351 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 18:31:36,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-25 18:31:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-25 18:31:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 186 states have (on average 1.2473118279569892) internal successors, (232), 203 states have internal predecessors, (232), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 18:31:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-25 18:31:36,804 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-25 18:31:36,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:36,805 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-25 18:31:36,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:31:36,806 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-25 18:31:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 18:31:36,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:36,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:36,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:31:37,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:37,050 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 18:31:37,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:37,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1087819107, now seen corresponding path program 1 times [2021-11-25 18:31:37,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:37,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518722230] [2021-11-25 18:31:37,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:37,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:37,399 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:31:37,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693600271] [2021-11-25 18:31:37,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:37,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:37,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:37,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:31:37,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:31:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:38,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:31:38,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:31:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:31:38,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:31:38,804 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:38,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518722230] [2021-11-25 18:31:38,805 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:31:38,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693600271] [2021-11-25 18:31:38,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693600271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:38,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:38,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:31:38,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746642872] [2021-11-25 18:31:38,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:38,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:31:38,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:38,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:31:38,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:31:38,811 INFO L87 Difference]: Start difference. First operand 212 states and 264 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:31:43,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:31:45,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:31:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:45,305 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-25 18:31:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:31:45,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-25 18:31:45,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:45,316 INFO L225 Difference]: With dead ends: 312 [2021-11-25 18:31:45,316 INFO L226 Difference]: Without dead ends: 311 [2021-11-25 18:31:45,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:31:45,330 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 116 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:45,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 534 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-11-25 18:31:45,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-25 18:31:45,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-25 18:31:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 275 states have (on average 1.2036363636363636) internal successors, (331), 292 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 18:31:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-25 18:31:45,372 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-25 18:31:45,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:45,373 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-25 18:31:45,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:31:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-25 18:31:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 18:31:45,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:45,376 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:45,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:31:45,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:45,600 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 18:31:45,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:45,601 INFO L85 PathProgramCache]: Analyzing trace with hash -637345286, now seen corresponding path program 1 times [2021-11-25 18:31:45,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:45,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858848532] [2021-11-25 18:31:45,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:45,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:45,960 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:31:45,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [192242977] [2021-11-25 18:31:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:45,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:45,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:45,963 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:31:45,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:31:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:47,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:31:47,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:31:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:31:47,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:31:47,690 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:47,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858848532] [2021-11-25 18:31:47,690 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:31:47,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192242977] [2021-11-25 18:31:47,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192242977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:47,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:47,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:31:47,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373006489] [2021-11-25 18:31:47,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:47,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:31:47,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:47,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:31:47,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:31:47,697 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:31:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:49,815 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-25 18:31:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:31:49,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-25 18:31:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:49,827 INFO L225 Difference]: With dead ends: 307 [2021-11-25 18:31:49,827 INFO L226 Difference]: Without dead ends: 305 [2021-11-25 18:31:49,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:31:49,830 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:49,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 18:31:49,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-25 18:31:49,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-25 18:31:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 274 states have (on average 1.197080291970803) internal successors, (328), 289 states have internal predecessors, (328), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 18:31:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-25 18:31:49,866 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-25 18:31:49,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:49,867 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-25 18:31:49,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:31:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-25 18:31:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 18:31:49,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:49,871 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:49,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:31:50,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:50,086 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 18:31:50,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:50,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1691543126, now seen corresponding path program 1 times [2021-11-25 18:31:50,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:50,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158347451] [2021-11-25 18:31:50,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:50,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:50,362 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:31:50,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199391421] [2021-11-25 18:31:50,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:50,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:50,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:50,366 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:31:50,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:31:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:51,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 3058 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:31:51,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:31:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:31:52,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:31:52,195 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:52,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158347451] [2021-11-25 18:31:52,195 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:31:52,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199391421] [2021-11-25 18:31:52,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199391421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:52,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:52,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:31:52,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302713685] [2021-11-25 18:31:52,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:52,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:52,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:52,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:52,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:52,199 INFO L87 Difference]: Start difference. First operand 304 states and 372 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:31:54,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:31:56,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:31:56,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:56,431 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-25 18:31:56,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:56,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-25 18:31:56,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:56,441 INFO L225 Difference]: With dead ends: 589 [2021-11-25 18:31:56,441 INFO L226 Difference]: Without dead ends: 357 [2021-11-25 18:31:56,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:56,445 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:56,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-25 18:31:56,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-25 18:31:56,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-25 18:31:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 338 states have internal predecessors, (383), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-25 18:31:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-25 18:31:56,482 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-25 18:31:56,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:56,483 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-25 18:31:56,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:31:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-25 18:31:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 18:31:56,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:56,487 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:56,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-25 18:31:56,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:56,714 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 18:31:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:56,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1425254209, now seen corresponding path program 1 times [2021-11-25 18:31:56,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:56,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597783593] [2021-11-25 18:31:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:56,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:56,881 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:31:56,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274919158] [2021-11-25 18:31:56,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:56,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:56,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:31:56,884 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:31:56,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:31:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:58,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:31:58,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:31:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 18:31:58,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:31:58,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:58,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597783593] [2021-11-25 18:31:58,539 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:31:58,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274919158] [2021-11-25 18:31:58,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274919158] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:58,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:58,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:31:58,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110490238] [2021-11-25 18:31:58,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:58,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:58,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:58,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:58,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:58,542 INFO L87 Difference]: Start difference. First operand 353 states and 447 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:31:59,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:59,722 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-25 18:31:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:59,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 18:31:59,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:59,730 INFO L225 Difference]: With dead ends: 678 [2021-11-25 18:31:59,731 INFO L226 Difference]: Without dead ends: 351 [2021-11-25 18:31:59,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:59,734 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:59,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:31:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-25 18:31:59,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-25 18:31:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 336 states have internal predecessors, (380), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-25 18:31:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-25 18:31:59,762 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-25 18:31:59,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:59,763 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-25 18:31:59,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:31:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-25 18:31:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 18:31:59,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:59,768 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:59,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:31:59,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:31:59,982 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 18:31:59,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:59,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1252483932, now seen corresponding path program 1 times [2021-11-25 18:31:59,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:59,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265161716] [2021-11-25 18:31:59,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:59,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:32:00,093 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:32:00,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1942634849] [2021-11-25 18:32:00,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:00,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:32:00,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:32:00,098 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:32:00,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:32:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:32:05,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:32:05,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:32:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:32:05,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:32:05,270 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:32:05,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265161716] [2021-11-25 18:32:05,271 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:32:05,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942634849] [2021-11-25 18:32:05,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942634849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:32:05,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:32:05,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:32:05,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481579149] [2021-11-25 18:32:05,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:32:05,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:32:05,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:32:05,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:32:05,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:32:05,276 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:32:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:32:08,909 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-25 18:32:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:32:08,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-25 18:32:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:32:08,919 INFO L225 Difference]: With dead ends: 684 [2021-11-25 18:32:08,919 INFO L226 Difference]: Without dead ends: 353 [2021-11-25 18:32:08,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:32:08,921 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:32:08,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 18:32:08,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-25 18:32:08,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-25 18:32:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 338 states have internal predecessors, (382), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-25 18:32:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-25 18:32:08,950 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-25 18:32:08,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:32:08,950 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-25 18:32:08,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:32:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-25 18:32:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 18:32:08,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:32:08,953 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:32:09,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 18:32:09,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:32:09,182 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 18:32:09,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:32:09,183 INFO L85 PathProgramCache]: Analyzing trace with hash -754730984, now seen corresponding path program 1 times [2021-11-25 18:32:09,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:32:09,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131122209] [2021-11-25 18:32:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:09,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:32:09,318 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:32:09,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056658097] [2021-11-25 18:32:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:09,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:32:09,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:32:09,330 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:32:09,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc3fad7-236e-489a-b3cb-2ba054e1a335/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 18:32:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:32:13,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:32:13,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:32:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 18:32:13,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:32:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 18:32:13,864 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:32:13,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131122209] [2021-11-25 18:32:13,865 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:32:13,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056658097] [2021-11-25 18:32:13,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056658097] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:32:13,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [954171226] [2021-11-25 18:32:13,892 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-25 18:32:13,892 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:32:13,898 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:32:13,905 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:32:13,905 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:32:14,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,180 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:32:14,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:32:14,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 18:32:14,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:32:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,291 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:32:14,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 18:32:14,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,352 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:32:14,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:32:14,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 18:32:14,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:32:14,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:32:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-25 18:32:14,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:32:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:14,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 18:32:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 18:32:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:32:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:32:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:32:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:32:15,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:32:15,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:32:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:32:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,481 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:32:15,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 18:32:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:32:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:32:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:32:15,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:32:15,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:32:15,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:32:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:32:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:32:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:32:15,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:32:15,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 18:32:15,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 18:32:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:32:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 18:32:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:15,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:32:16,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:32:16,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:32:16,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:16,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 18:32:24,716 WARN L227 SmtUtils]: Spent 8.35s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:32:24,717 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:32:24,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:32:24,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:37,738 WARN L227 SmtUtils]: Spent 12.90s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:32:37,738 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:32:37,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:32:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:38,466 INFO L244 Elim1Store]: Index analysis took 358 ms [2021-11-25 18:32:50,846 WARN L227 SmtUtils]: Spent 11.98s on a formula simplification. DAG size of input: 244 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:32:50,847 INFO L354 Elim1Store]: treesize reduction 2566, result has 31.1 percent of original size [2021-11-25 18:32:50,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 1377 [2021-11-25 18:32:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,635 INFO L244 Elim1Store]: Index analysis took 195 ms [2021-11-25 18:32:51,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:32:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:52,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:52,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:52,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:52,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:52,127 INFO L244 Elim1Store]: Index analysis took 247 ms [2021-11-25 18:32:52,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 18:32:52,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:52,753 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:53,012 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-25 18:32:53,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 18:32:53,056 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:53,508 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:32:53,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-25 18:32:53,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:53,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:53,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-25 18:32:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:53,836 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:32:53,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32 [2021-11-25 18:32:53,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:53,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:54,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:54,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-25 18:32:54,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:54,253 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:32:54,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-25 18:32:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:54,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:54,435 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 18:32:54,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-25 18:32:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:54,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:54,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:54,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:54,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:54,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 57 [2021-11-25 18:32:54,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:54,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:55,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:55,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:56,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,191 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 18:32:56,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-25 18:32:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:56,408 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-25 18:32:56,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-25 18:32:56,674 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:56,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:56,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:56,862 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:56,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:56,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,074 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,365 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:57,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:57,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:57,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:57,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:57,792 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-25 18:32:58,056 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 18:32:58,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2700 treesize of output 2306 [2021-11-25 18:32:58,173 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:58,206 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:58,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:58,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:58,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:58,384 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:58,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:58,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:58,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:58,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:58,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:58,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:58,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:58,612 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-11-25 18:32:58,699 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 18:32:58,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2800 treesize of output 2384 [2021-11-25 18:32:59,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,347 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,675 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:32:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:59,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:32:59,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2779 treesize of output 2335 [2021-11-25 18:32:59,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:32:59,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:00,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:00,068 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:00,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2679 treesize of output 2241 [2021-11-25 18:33:00,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:00,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:00,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:01,087 INFO L354 Elim1Store]: treesize reduction 362, result has 68.8 percent of original size [2021-11-25 18:33:01,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2688 treesize of output 3042 [2021-11-25 18:33:01,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:01,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:01,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:01,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:01,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:01,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:01,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:02,000 INFO L354 Elim1Store]: treesize reduction 362, result has 69.0 percent of original size [2021-11-25 18:33:02,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2788 treesize of output 3142 [2021-11-25 18:33:02,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:02,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:02,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:02,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2611 treesize of output 2241 [2021-11-25 18:33:02,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:02,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:02,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2711 treesize of output 2335 [2021-11-25 18:33:02,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:02,605 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:02,678 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:02,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,208 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-25 18:33:03,223 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:33:03,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2688 treesize of output 2244 [2021-11-25 18:33:03,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:03,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:03,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:03,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:03,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:03,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:03,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,620 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-25 18:33:03,635 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:33:03,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2788 treesize of output 2338 [2021-11-25 18:33:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2611 treesize of output 2241 [2021-11-25 18:33:03,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:03,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:03,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2711 treesize of output 2335 [2021-11-25 18:33:04,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,155 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:04,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,522 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 18:33:04,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2632 treesize of output 2244 [2021-11-25 18:33:04,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:04,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:04,985 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-25 18:33:05,003 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 18:33:05,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2732 treesize of output 2338 [2021-11-25 18:33:05,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:05,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:05,470 INFO L244 Elim1Store]: Index analysis took 195 ms [2021-11-25 18:33:06,824 INFO L354 Elim1Store]: treesize reduction 1299, result has 30.6 percent of original size [2021-11-25 18:33:06,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2809 treesize of output 2914 [2021-11-25 18:33:07,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:07,204 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:07,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:07,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:07,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:08,491 INFO L354 Elim1Store]: treesize reduction 1289, result has 29.3 percent of original size [2021-11-25 18:33:08,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2709 treesize of output 2780 [2021-11-25 18:33:09,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:10,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,452 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-25 18:33:10,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2700 treesize of output 2244 [2021-11-25 18:33:10,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,577 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:10,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:10,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:33:10,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:10,948 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-11-25 18:33:10,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2800 treesize of output 2338 [2021-11-25 18:33:11,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,572 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,610 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:11,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:12,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:12,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:12,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:12,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:12,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:33:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:13,630 INFO L244 Elim1Store]: Index analysis took 316 ms [2021-11-25 18:33:14,568 INFO L354 Elim1Store]: treesize reduction 2096, result has 10.4 percent of original size [2021-11-25 18:33:14,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 7891 treesize of output 7665 [2021-11-25 18:33:17,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:17,117 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-25 18:33:17,329 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 18:33:17,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 3578 [2021-11-25 18:33:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:33:20,419 INFO L244 Elim1Store]: Index analysis took 374 ms [2021-11-25 18:33:26,851 WARN L227 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 152 DAG size of output: 126 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:33:26,852 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 18:33:26,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 136599 treesize of output 137059 [2021-11-25 18:42:31,922 WARN L227 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 2187 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 18:42:40,265 WARN L227 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 2185 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)