./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:21:50,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:21:50,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:21:50,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:21:50,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:21:50,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:21:50,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:21:50,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:21:50,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:21:50,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:21:50,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:21:50,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:21:50,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:21:50,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:21:50,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:21:50,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:21:50,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:21:50,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:21:50,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:21:50,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:21:50,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:21:50,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:21:50,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:21:50,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:21:50,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:21:50,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:21:50,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:21:50,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:21:50,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:21:50,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:21:50,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:21:50,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:21:50,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:21:50,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:21:50,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:21:50,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:21:50,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:21:50,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:21:50,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:21:50,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:21:50,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:21:50,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:21:50,658 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:21:50,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:21:50,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:21:50,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:21:50,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:21:50,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:21:50,668 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:21:50,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:21:50,668 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:21:50,668 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:21:50,669 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:21:50,670 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:21:50,670 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:21:50,670 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:21:50,670 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:21:50,671 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:21:50,671 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:21:50,671 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:21:50,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:21:50,672 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:21:50,672 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:21:50,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:21:50,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:21:50,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:21:50,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:21:50,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:21:50,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:21:50,675 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:21:50,676 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:21:50,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:21:50,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:21:50,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:21:50,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:21:50,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:21:50,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:21:50,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:21:50,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:21:50,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:21:50,678 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:21:50,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:21:50,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:21:50,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:21:50,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:21:50,679 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_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2021-11-21 00:21:50,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:21:51,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:21:51,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:21:51,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:21:51,009 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:21:51,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2021-11-21 00:21:51,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/data/571e43634/16f3c30147cc4b6f8572bccf03fdb1fd/FLAG6cb86e0ac [2021-11-21 00:21:51,770 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:21:51,771 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2021-11-21 00:21:51,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/data/571e43634/16f3c30147cc4b6f8572bccf03fdb1fd/FLAG6cb86e0ac [2021-11-21 00:21:51,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/data/571e43634/16f3c30147cc4b6f8572bccf03fdb1fd [2021-11-21 00:21:51,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:21:51,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:21:51,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:21:51,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:21:51,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:21:51,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:21:51" (1/1) ... [2021-11-21 00:21:51,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb563af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:51, skipping insertion in model container [2021-11-21 00:21:51,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:21:51" (1/1) ... [2021-11-21 00:21:51,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:21:52,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:21:52,510 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_becce0cb-b477-423c-a935-92d9734f5810/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2021-11-21 00:21:52,619 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_becce0cb-b477-423c-a935-92d9734f5810/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2021-11-21 00:21:52,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:21:52,637 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:21:52,666 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_becce0cb-b477-423c-a935-92d9734f5810/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[33021,33034] [2021-11-21 00:21:52,727 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_becce0cb-b477-423c-a935-92d9734f5810/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i[44590,44603] [2021-11-21 00:21:52,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:21:52,785 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:21:52,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52 WrapperNode [2021-11-21 00:21:52,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:21:52,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:21:52,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:21:52,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:21:52,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:52,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:52,904 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-21 00:21:52,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:21:52,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:21:52,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:21:52,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:21:52,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:52,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:52,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:52,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:53,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:53,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:53,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:53,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:21:53,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:21:53,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:21:53,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:21:53,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (1/1) ... [2021-11-21 00:21:53,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:21:53,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:21:53,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:21:53,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:21:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:21:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:21:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:21:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:21:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:21:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:21:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:21:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:21:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:21:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:21:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:21:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:21:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:21:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:21:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:21:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:21:53,469 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:21:53,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:21:54,518 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:21:54,897 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:21:54,897 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:21:54,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:21:54 BoogieIcfgContainer [2021-11-21 00:21:54,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:21:54,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:21:54,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:21:54,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:21:54,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:21:51" (1/3) ... [2021-11-21 00:21:54,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f57648f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:21:54, skipping insertion in model container [2021-11-21 00:21:54,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:21:52" (2/3) ... [2021-11-21 00:21:54,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f57648f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:21:54, skipping insertion in model container [2021-11-21 00:21:54,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:21:54" (3/3) ... [2021-11-21 00:21:54,912 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-1.i [2021-11-21 00:21:54,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:21:54,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 00:21:54,981 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:21:54,990 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:21:54,990 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 00:21:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:21:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:21:55,020 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:55,020 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:21:55,021 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:21:55,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:55,026 INFO L85 PathProgramCache]: Analyzing trace with hash 26287934, now seen corresponding path program 1 times [2021-11-21 00:21:55,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:21:55,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364469943] [2021-11-21 00:21:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:55,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:21:55,141 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:21:55,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312304928] [2021-11-21 00:21:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:55,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:21:55,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:21:55,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:21:55,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:21:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:55,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:21:55,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:55,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:21:55,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 00:21:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:55,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:21:55,480 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:21:55,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364469943] [2021-11-21 00:21:55,480 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:21:55,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312304928] [2021-11-21 00:21:55,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312304928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:55,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:55,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:21:55,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299045152] [2021-11-21 00:21:55,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:55,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:21:55,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:21:55,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:21:55,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:21:55,515 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:21:57,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:57,361 INFO L93 Difference]: Finished difference Result 341 states and 581 transitions. [2021-11-21 00:21:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:57,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 00:21:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:57,379 INFO L225 Difference]: With dead ends: 341 [2021-11-21 00:21:57,379 INFO L226 Difference]: Without dead ends: 208 [2021-11-21 00:21:57,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:21:57,386 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 81 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:57,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 00:21:57,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-21 00:21:57,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 136. [2021-11-21 00:21:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:21:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2021-11-21 00:21:57,443 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2021-11-21 00:21:57,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:57,443 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2021-11-21 00:21:57,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:21:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2021-11-21 00:21:57,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:21:57,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:57,444 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:21:57,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:57,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:21:57,660 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:21:57,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:57,661 INFO L85 PathProgramCache]: Analyzing trace with hash 554609707, now seen corresponding path program 1 times [2021-11-21 00:21:57,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:21:57,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041385727] [2021-11-21 00:21:57,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:57,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:21:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:21:57,768 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:21:57,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041385727] [2021-11-21 00:21:57,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041385727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:21:57,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:21:57,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:21:57,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231394166] [2021-11-21 00:21:57,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:21:57,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:21:57,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:21:57,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:21:57,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:21:57,776 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:21:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:59,624 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2021-11-21 00:21:59,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:21:59,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-21 00:21:59,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:59,633 INFO L225 Difference]: With dead ends: 266 [2021-11-21 00:21:59,633 INFO L226 Difference]: Without dead ends: 195 [2021-11-21 00:21:59,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:21:59,636 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:59,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 383 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 00:21:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-21 00:21:59,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2021-11-21 00:21:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:21:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2021-11-21 00:21:59,654 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2021-11-21 00:21:59,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:59,655 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2021-11-21 00:21:59,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:21:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2021-11-21 00:21:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:21:59,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:59,657 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] [2021-11-21 00:21:59,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:21:59,657 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:21:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:59,658 INFO L85 PathProgramCache]: Analyzing trace with hash 488272890, now seen corresponding path program 1 times [2021-11-21 00:21:59,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:21:59,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153435464] [2021-11-21 00:21:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:59,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:21:59,680 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:21:59,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2014125130] [2021-11-21 00:21:59,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:59,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:21:59,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:21:59,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:21:59,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:21:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:59,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:21:59,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:00,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:22:00,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:22:00,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153435464] [2021-11-21 00:22:00,033 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:22:00,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014125130] [2021-11-21 00:22:00,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014125130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:22:00,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:22:00,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:22:00,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076394861] [2021-11-21 00:22:00,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:22:00,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:22:00,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:22:00,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:22:00,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:22:00,036 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:22:02,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:22:02,154 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2021-11-21 00:22:02,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:22:02,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-21 00:22:02,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:22:02,169 INFO L225 Difference]: With dead ends: 332 [2021-11-21 00:22:02,169 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 00:22:02,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:22:02,171 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:22:02,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:22:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 00:22:02,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-11-21 00:22:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:22:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2021-11-21 00:22:02,196 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2021-11-21 00:22:02,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:22:02,197 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2021-11-21 00:22:02,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:22:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-21 00:22:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 00:22:02,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:22:02,199 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:22:02,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:22:02,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:22:02,416 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:22:02,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:22:02,417 INFO L85 PathProgramCache]: Analyzing trace with hash -601106124, now seen corresponding path program 1 times [2021-11-21 00:22:02,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:22:02,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305127327] [2021-11-21 00:22:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:02,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:22:02,437 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:22:02,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [998003787] [2021-11-21 00:22:02,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:02,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:22:02,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:22:02,439 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:22:02,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:22:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:22:02,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:22:02,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:22:02,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:22:02,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:22:02,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305127327] [2021-11-21 00:22:02,898 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:22:02,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998003787] [2021-11-21 00:22:02,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998003787] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:22:02,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:22:02,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:22:02,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162921278] [2021-11-21 00:22:02,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:22:02,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:22:02,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:22:02,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:22:02,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:22:02,900 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:22:05,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:22:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:22:05,377 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2021-11-21 00:22:05,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:22:05,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-21 00:22:05,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:22:05,386 INFO L225 Difference]: With dead ends: 346 [2021-11-21 00:22:05,386 INFO L226 Difference]: Without dead ends: 183 [2021-11-21 00:22:05,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:22:05,389 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:22:05,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 00:22:05,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-21 00:22:05,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-21 00:22:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 00:22:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2021-11-21 00:22:05,406 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2021-11-21 00:22:05,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:22:05,406 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2021-11-21 00:22:05,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:22:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2021-11-21 00:22:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:22:05,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:22:05,409 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] [2021-11-21 00:22:05,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:22:05,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:22:05,622 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:22:05,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:22:05,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1335578956, now seen corresponding path program 1 times [2021-11-21 00:22:05,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:22:05,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203411701] [2021-11-21 00:22:05,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:05,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:22:05,663 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:22:05,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [810221757] [2021-11-21 00:22:05,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:05,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:22:05,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:22:05,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:22:05,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_becce0cb-b477-423c-a935-92d9734f5810/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:22:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:22:06,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:22:06,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:22:06,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:22:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:22:06,499 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:22:06,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203411701] [2021-11-21 00:22:06,499 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:22:06,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810221757] [2021-11-21 00:22:06,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810221757] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:22:06,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [263977149] [2021-11-21 00:22:06,530 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 00:22:06,531 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:22:06,535 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:22:06,541 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:22:06,541 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:22:06,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:06,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 00:22:06,655 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 15 treesize of output 1 [2021-11-21 00:22:06,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:06,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:06,691 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:22:06,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:22:06,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:06,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:22:06,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:22:06,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:06,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:06,879 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:22:06,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 00:22:06,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:22:06,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:06,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:06,952 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 00:22:06,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 38 [2021-11-21 00:22:06,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:22:07,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,055 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:22:07,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:22:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 00:22:07,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:22:07,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:22:08,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,685 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 75 treesize of output 75 [2021-11-21 00:22:08,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 60 treesize of output 74 [2021-11-21 00:22:08,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:22:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:22:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:22:08,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:08,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 00:22:09,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:22:09,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,236 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:22:09,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 00:22:09,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:22:09,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,368 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:22:09,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 00:22:09,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,455 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 00:22:09,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 00:22:09,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:09,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:22:10,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:22:10,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:22:10,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:22:10,147 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:22:10,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 00:22:10,169 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:22:10,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 00:22:10,192 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:22:10,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 00:22:10,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:22:10,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:22:10,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:22:10,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:22:10,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:22:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:22:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:22:10,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:22:10,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:22:17,315 WARN L227 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:22:17,316 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:22:17,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:22:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:28,052 WARN L227 SmtUtils]: Spent 10.69s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:22:28,053 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:22:28,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:22:39,065 WARN L227 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:22:39,067 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:22:39,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 00:22:39,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,932 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:22:40,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 00:22:41,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,788 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:22:41,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 00:22:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:44,335 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:22:44,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:22:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:45,280 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:22:45,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-21 00:22:46,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:47,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:48,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:48,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:49,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:50,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:50,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:50,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:51,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:51,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:53,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:53,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:54,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:54,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:54,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:54,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:57,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:57,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:22:59,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:59,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:59,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:59,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:59,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:59,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:59,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:59,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:59,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:59,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1319 treesize of output 865 [2021-11-21 00:23:00,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:01,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:07,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:07,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:08,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:08,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:09,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:09,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:10,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:10,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:10,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:11,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:13,971 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:14,287 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:14,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:15,367 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:16,543 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:16,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:17,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:17,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:17,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:17,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:23:25,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:25,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:25,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:25,927 INFO L244 Elim1Store]: Index analysis took 358 ms [2021-11-21 00:23:25,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:26,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:26,115 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-21 00:23:26,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4848 treesize of output 3280 [2021-11-21 00:23:26,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:26,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:26,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:27,158 INFO L244 Elim1Store]: Index analysis took 298 ms [2021-11-21 00:23:27,521 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-21 00:23:27,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4904 treesize of output 3326 [2021-11-21 00:23:28,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:28,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:29,271 INFO L244 Elim1Store]: Index analysis took 414 ms [2021-11-21 00:23:29,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:33,692 INFO L354 Elim1Store]: treesize reduction 6592, result has 45.3 percent of original size [2021-11-21 00:23:33,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 4848 treesize of output 8650 [2021-11-21 00:23:35,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:35,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:35,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:35,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:35,842 INFO L244 Elim1Store]: Index analysis took 470 ms [2021-11-21 00:23:35,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:36,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:36,583 INFO L354 Elim1Store]: treesize reduction 460, result has 0.2 percent of original size [2021-11-21 00:23:36,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 5685 treesize of output 3935 [2021-11-21 00:23:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:41,251 INFO L244 Elim1Store]: Index analysis took 1148 ms [2021-11-21 00:23:41,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:52,357 WARN L227 SmtUtils]: Spent 8.76s on a formula simplification. DAG size of input: 152 DAG size of output: 97 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:23:52,358 INFO L354 Elim1Store]: treesize reduction 8966, result has 44.9 percent of original size [2021-11-21 00:23:52,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 4869 treesize of output 10502 [2021-11-21 00:23:56,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:56,561 INFO L244 Elim1Store]: Index analysis took 555 ms [2021-11-21 00:23:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:59,895 INFO L354 Elim1Store]: treesize reduction 6628, result has 45.3 percent of original size [2021-11-21 00:23:59,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5363 treesize of output 9105 [2021-11-21 00:24:07,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:07,526 INFO L244 Elim1Store]: Index analysis took 297 ms [2021-11-21 00:24:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:10,020 INFO L354 Elim1Store]: treesize reduction 7616, result has 37.8 percent of original size [2021-11-21 00:24:10,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 5083 treesize of output 7963 [2021-11-21 00:24:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:32,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 00:24:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:34,440 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 00:24:34,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-21 00:24:35,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:24:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:35,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 00:24:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:48,577 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 00:24:48,577 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 10 case distinctions, treesize of input 76011 treesize of output 76025 [2021-11-21 00:27:02,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver