./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.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_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/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_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/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_88879d10-2c71-4814-b62a-6b26f01d53a0/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 1c32e831c11e67575bf9fc4420a056c0795572e7218bcd99a0067a1a2caea6f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:14:33,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:14:33,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:14:33,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:14:33,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:14:33,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:14:33,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:14:33,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:14:33,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:14:33,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:14:33,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:14:33,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:14:33,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:14:33,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:14:33,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:14:33,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:14:33,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:14:33,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:14:33,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:14:33,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:14:33,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:14:33,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:14:33,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:14:33,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:14:33,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:14:33,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:14:33,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:14:33,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:14:33,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:14:33,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:14:33,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:14:33,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:14:33,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:14:33,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:14:33,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:14:33,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:14:33,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:14:33,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:14:33,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:14:33,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:14:33,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:14:33,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:14:33,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:14:33,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:14:33,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:14:33,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:14:33,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:14:33,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:14:33,503 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:14:33,504 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:14:33,504 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:14:33,504 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:14:33,505 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:14:33,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:14:33,505 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:14:33,505 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:14:33,506 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:14:33,506 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:14:33,506 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:14:33,506 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:14:33,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:14:33,507 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:14:33,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:14:33,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:14:33,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:14:33,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:14:33,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:14:33,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:14:33,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:14:33,509 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:14:33,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:14:33,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:14:33,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:14:33,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:14:33,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:14:33,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:14:33,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:14:33,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:14:33,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:14:33,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:14:33,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:14:33,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:14:33,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:14:33,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:14:33,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:14:33,513 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_88879d10-2c71-4814-b62a-6b26f01d53a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c32e831c11e67575bf9fc4420a056c0795572e7218bcd99a0067a1a2caea6f7 [2021-11-20 23:14:33,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:14:33,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:14:33,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:14:33,807 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:14:33,808 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:14:33,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i [2021-11-20 23:14:33,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/data/0fe6656e8/f3da34e21cac4def8b6f9c2bf96e34bd/FLAG88f0af53e [2021-11-20 23:14:34,548 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:14:34,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i [2021-11-20 23:14:34,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/data/0fe6656e8/f3da34e21cac4def8b6f9c2bf96e34bd/FLAG88f0af53e [2021-11-20 23:14:34,714 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/data/0fe6656e8/f3da34e21cac4def8b6f9c2bf96e34bd [2021-11-20 23:14:34,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:14:34,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:14:34,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:14:34,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:14:34,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:14:34,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:34" (1/1) ... [2021-11-20 23:14:34,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af6e789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:34, skipping insertion in model container [2021-11-20 23:14:34,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:14:34" (1/1) ... [2021-11-20 23:14:34,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:14:34,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:14:35,387 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_88879d10-2c71-4814-b62a-6b26f01d53a0/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i[33022,33035] [2021-11-20 23:14:35,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:14:35,661 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:14:35,687 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_88879d10-2c71-4814-b62a-6b26f01d53a0/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i[33022,33035] [2021-11-20 23:14:35,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:14:35,938 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:14:35,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35 WrapperNode [2021-11-20 23:14:35,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:14:35,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:14:35,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:14:35,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:14:35,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,174 INFO L137 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2179 [2021-11-20 23:14:36,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:14:36,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:14:36,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:14:36,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:14:36,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:14:36,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:14:36,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:14:36,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:14:36,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (1/1) ... [2021-11-20 23:14:36,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:14:36,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:36,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:14:36,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:14:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-20 23:14:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-20 23:14:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:14:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:14:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:14:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:14:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:14:36,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:14:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:14:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:14:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:14:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:14:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:14:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:14:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:14:36,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:14:36,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:14:36,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:14:36,844 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:14:36,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:14:38,632 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:14:39,514 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:14:39,514 INFO L301 CfgBuilder]: Removed 151 assume(true) statements. [2021-11-20 23:14:39,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:39 BoogieIcfgContainer [2021-11-20 23:14:39,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:14:39,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:14:39,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:14:39,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:14:39,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:14:34" (1/3) ... [2021-11-20 23:14:39,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6ea38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:39, skipping insertion in model container [2021-11-20 23:14:39,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:14:35" (2/3) ... [2021-11-20 23:14:39,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6ea38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:39, skipping insertion in model container [2021-11-20 23:14:39,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:39" (3/3) ... [2021-11-20 23:14:39,536 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test10-1.i [2021-11-20 23:14:39,543 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:14:39,544 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:14:39,620 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:14:39,629 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 [2021-11-20 23:14:39,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:14:39,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-20 23:14:39,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:14:39,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:39,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:14:39,661 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:39,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:39,667 INFO L85 PathProgramCache]: Analyzing trace with hash 56325447, now seen corresponding path program 1 times [2021-11-20 23:14:39,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:39,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239063761] [2021-11-20 23:14:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:39,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:39,837 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:39,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974993081] [2021-11-20 23:14:39,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:39,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:39,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:39,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:39,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:14:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:40,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:14:40,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:40,278 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 [2021-11-20 23:14:40,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-20 23:14:40,399 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 25 treesize of output 17 [2021-11-20 23:14:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:40,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:40,413 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:40,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239063761] [2021-11-20 23:14:40,414 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:40,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974993081] [2021-11-20 23:14:40,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974993081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:40,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:40,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:14:40,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828070341] [2021-11-20 23:14:40,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:40,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:14:40,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:40,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:14:40,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:14:40,478 INFO L87 Difference]: Start difference. First operand has 259 states, 235 states have (on average 1.8340425531914895) internal successors, (431), 245 states have internal predecessors, (431), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) 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) [2021-11-20 23:14:44,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:44,249 INFO L93 Difference]: Finished difference Result 547 states and 974 transitions. [2021-11-20 23:14:44,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:14:44,252 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 [2021-11-20 23:14:44,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:44,266 INFO L225 Difference]: With dead ends: 547 [2021-11-20 23:14:44,266 INFO L226 Difference]: Without dead ends: 287 [2021-11-20 23:14:44,271 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 [2021-11-20 23:14:44,275 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 29 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:44,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 783 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-20 23:14:44,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-11-20 23:14:44,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 261. [2021-11-20 23:14:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.218487394957983) internal successors, (290), 248 states have internal predecessors, (290), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-20 23:14:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 317 transitions. [2021-11-20 23:14:44,343 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 317 transitions. Word has length 4 [2021-11-20 23:14:44,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:44,344 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 317 transitions. [2021-11-20 23:14:44,344 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) [2021-11-20 23:14:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 317 transitions. [2021-11-20 23:14:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:14:44,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:44,347 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] [2021-11-20 23:14:44,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:44,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:44,573 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:44,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:44,574 INFO L85 PathProgramCache]: Analyzing trace with hash 433822891, now seen corresponding path program 1 times [2021-11-20 23:14:44,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:44,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816695722] [2021-11-20 23:14:44,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:44,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:44,747 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:44,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816695722] [2021-11-20 23:14:44,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816695722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:44,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:44,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:14:44,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34401788] [2021-11-20 23:14:44,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:44,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:14:44,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:44,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:14:44,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:14:44,755 INFO L87 Difference]: Start difference. First operand 261 states and 317 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:14:47,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:14:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:49,378 INFO L93 Difference]: Finished difference Result 410 states and 503 transitions. [2021-11-20 23:14:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:14:49,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-20 23:14:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:49,383 INFO L225 Difference]: With dead ends: 410 [2021-11-20 23:14:49,383 INFO L226 Difference]: Without dead ends: 261 [2021-11-20 23:14:49,385 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 [2021-11-20 23:14:49,386 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 2 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:49,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 795 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-20 23:14:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2021-11-20 23:14:49,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2021-11-20 23:14:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 238 states have (on average 1.2142857142857142) internal successors, (289), 248 states have internal predecessors, (289), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-20 23:14:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 316 transitions. [2021-11-20 23:14:49,410 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 316 transitions. Word has length 20 [2021-11-20 23:14:49,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:49,411 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 316 transitions. [2021-11-20 23:14:49,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:14:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 316 transitions. [2021-11-20 23:14:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 23:14:49,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:49,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:49,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:14:49,414 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:49,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:49,414 INFO L85 PathProgramCache]: Analyzing trace with hash -649685512, now seen corresponding path program 1 times [2021-11-20 23:14:49,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:49,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380695795] [2021-11-20 23:14:49,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:49,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:49,437 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:49,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675597817] [2021-11-20 23:14:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:49,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:49,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:49,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:49,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:14:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:49,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:14:49,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:14:49,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:49,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:49,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380695795] [2021-11-20 23:14:49,995 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:49,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675597817] [2021-11-20 23:14:49,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675597817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:49,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:49,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:14:49,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120728673] [2021-11-20 23:14:49,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:49,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:14:49,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:49,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:14:49,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:49,998 INFO L87 Difference]: Start difference. First operand 261 states and 316 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-20 23:14:51,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:14:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:52,225 INFO L93 Difference]: Finished difference Result 632 states and 764 transitions. [2021-11-20 23:14:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:14:52,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-20 23:14:52,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:52,229 INFO L225 Difference]: With dead ends: 632 [2021-11-20 23:14:52,229 INFO L226 Difference]: Without dead ends: 376 [2021-11-20 23:14:52,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:52,232 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 119 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:52,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 598 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 23:14:52,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-20 23:14:52,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 372. [2021-11-20 23:14:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.191860465116279) internal successors, (410), 354 states have internal predecessors, (410), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-20 23:14:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 447 transitions. [2021-11-20 23:14:52,266 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 447 transitions. Word has length 29 [2021-11-20 23:14:52,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:52,267 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 447 transitions. [2021-11-20 23:14:52,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-20 23:14:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2021-11-20 23:14:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-20 23:14:52,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:52,270 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:52,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:52,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:52,497 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:52,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:52,498 INFO L85 PathProgramCache]: Analyzing trace with hash -656242656, now seen corresponding path program 1 times [2021-11-20 23:14:52,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:52,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87783565] [2021-11-20 23:14:52,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:52,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:52,519 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:52,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384971884] [2021-11-20 23:14:52,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:52,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:52,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:52,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:52,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:14:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:52,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:14:52,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:14:52,869 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 [2021-11-20 23:14:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:52,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2021-11-20 23:14:52,995 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-20 23:14:52,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 42 [2021-11-20 23:14:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:14:53,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:14:53,095 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:53,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87783565] [2021-11-20 23:14:53,095 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:14:53,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384971884] [2021-11-20 23:14:53,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384971884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:53,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:53,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:14:53,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642410020] [2021-11-20 23:14:53,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:53,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:14:53,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:53,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:14:53,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:14:53,103 INFO L87 Difference]: Start difference. First operand 372 states and 447 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:14:55,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:14:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:59,209 INFO L93 Difference]: Finished difference Result 692 states and 833 transitions. [2021-11-20 23:14:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:14:59,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2021-11-20 23:14:59,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:59,212 INFO L225 Difference]: With dead ends: 692 [2021-11-20 23:14:59,212 INFO L226 Difference]: Without dead ends: 372 [2021-11-20 23:14:59,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:14:59,215 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 27 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:59,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 1001 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 249 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2021-11-20 23:14:59,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-11-20 23:14:59,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2021-11-20 23:14:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 344 states have (on average 1.188953488372093) internal successors, (409), 354 states have internal predecessors, (409), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-20 23:14:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 446 transitions. [2021-11-20 23:14:59,271 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 446 transitions. Word has length 42 [2021-11-20 23:14:59,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:59,272 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 446 transitions. [2021-11-20 23:14:59,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:14:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 446 transitions. [2021-11-20 23:14:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 23:14:59,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:59,278 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:59,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:14:59,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-20 23:14:59,493 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:14:59,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:59,493 INFO L85 PathProgramCache]: Analyzing trace with hash -391626636, now seen corresponding path program 1 times [2021-11-20 23:14:59,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:59,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111787354] [2021-11-20 23:14:59,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:59,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:59,542 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:14:59,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145967270] [2021-11-20 23:14:59,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:59,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:14:59,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:14:59,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:14:59,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:14:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:59,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:14:59,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:15:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:15:00,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:15:00,079 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:15:00,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111787354] [2021-11-20 23:15:00,080 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:15:00,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145967270] [2021-11-20 23:15:00,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145967270] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:15:00,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:15:00,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:15:00,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024768715] [2021-11-20 23:15:00,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:15:00,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:15:00,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:15:00,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:15:00,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:15:00,084 INFO L87 Difference]: Start difference. First operand 372 states and 446 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:15:02,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:15:02,438 INFO L93 Difference]: Finished difference Result 838 states and 1006 transitions. [2021-11-20 23:15:02,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:15:02,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2021-11-20 23:15:02,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:15:02,443 INFO L225 Difference]: With dead ends: 838 [2021-11-20 23:15:02,443 INFO L226 Difference]: Without dead ends: 494 [2021-11-20 23:15:02,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:15:02,445 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:15:02,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 544 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 23:15:02,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-11-20 23:15:02,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 439. [2021-11-20 23:15:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 408 states have (on average 1.178921568627451) internal successors, (481), 418 states have internal predecessors, (481), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-20 23:15:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 524 transitions. [2021-11-20 23:15:02,473 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 524 transitions. Word has length 63 [2021-11-20 23:15:02,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:15:02,474 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 524 transitions. [2021-11-20 23:15:02,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 23:15:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 524 transitions. [2021-11-20 23:15:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-20 23:15:02,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:15:02,477 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:15:02,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:15:02,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:15:02,685 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:15:02,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:15:02,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1574397001, now seen corresponding path program 1 times [2021-11-20 23:15:02,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:15:02,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270316677] [2021-11-20 23:15:02,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:02,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:15:02,738 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:15:02,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839450921] [2021-11-20 23:15:02,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:02,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:15:02,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:15:02,757 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:15:02,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 23:15:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:15:05,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:15:05,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:15:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:15:05,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:15:05,973 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:15:05,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270316677] [2021-11-20 23:15:05,973 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:15:05,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839450921] [2021-11-20 23:15:05,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839450921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:15:05,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:15:05,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:15:05,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062268451] [2021-11-20 23:15:05,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:15:05,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:15:05,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:15:05,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:15:05,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:15:05,977 INFO L87 Difference]: Start difference. First operand 439 states and 524 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 23:15:08,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:15:10,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:15:11,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:15:12,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:15:12,534 INFO L93 Difference]: Finished difference Result 858 states and 1035 transitions. [2021-11-20 23:15:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:15:12,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 76 [2021-11-20 23:15:12,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:15:12,539 INFO L225 Difference]: With dead ends: 858 [2021-11-20 23:15:12,539 INFO L226 Difference]: Without dead ends: 441 [2021-11-20 23:15:12,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:15:12,541 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 1 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:15:12,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-11-20 23:15:12,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-11-20 23:15:12,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2021-11-20 23:15:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 409 states have (on average 1.1809290953545233) internal successors, (483), 420 states have internal predecessors, (483), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2021-11-20 23:15:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 529 transitions. [2021-11-20 23:15:12,572 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 529 transitions. Word has length 76 [2021-11-20 23:15:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:15:12,574 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 529 transitions. [2021-11-20 23:15:12,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-20 23:15:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 529 transitions. [2021-11-20 23:15:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-20 23:15:12,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:15:12,581 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:15:12,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:15:12,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:15:12,801 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:15:12,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:15:12,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1409610589, now seen corresponding path program 1 times [2021-11-20 23:15:12,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:15:12,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187723962] [2021-11-20 23:15:12,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:12,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:15:12,836 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:15:12,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1773790296] [2021-11-20 23:15:12,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:12,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:15:12,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:15:12,838 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:15:12,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88879d10-2c71-4814-b62a-6b26f01d53a0/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 23:15:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:15:14,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:15:14,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:15:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-20 23:15:14,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:15:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 23:15:14,838 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:15:14,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187723962] [2021-11-20 23:15:14,838 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:15:14,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773790296] [2021-11-20 23:15:14,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773790296] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:15:14,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [154942538] [2021-11-20 23:15:14,861 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-20 23:15:14,861 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:15:14,865 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:15:14,871 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:15:14,871 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:15:15,017 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 [2021-11-20 23:15:15,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,043 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:15:15,044 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 [2021-11-20 23:15:15,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-20 23:15:15,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,090 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 [2021-11-20 23:15:15,117 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 [2021-11-20 23:15:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,253 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:15:15,254 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 [2021-11-20 23:15:15,304 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 [2021-11-20 23:15:15,319 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 [2021-11-20 23:15:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,377 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-20 23:15:15,377 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 [2021-11-20 23:15:15,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,450 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:15:15,450 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 [2021-11-20 23:15:15,671 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 [2021-11-20 23:15:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:15,738 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 [2021-11-20 23:15:15,807 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 [2021-11-20 23:15:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,452 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 89 treesize of output 77 [2021-11-20 23:15:17,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,475 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 74 treesize of output 76 [2021-11-20 23:15:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,584 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 [2021-11-20 23:15:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,650 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 [2021-11-20 23:15:17,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-20 23:15:17,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-20 23:15:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,859 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 [2021-11-20 23:15:17,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:17,925 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 [2021-11-20 23:15:18,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,104 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:15:18,104 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 [2021-11-20 23:15:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,156 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 [2021-11-20 23:15:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,201 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 [2021-11-20 23:15:18,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,308 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-20 23:15:18,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-20 23:15:18,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:18,390 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:15:18,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-20 23:15:19,007 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 13 treesize of output 9 [2021-11-20 23:15:19,014 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 [2021-11-20 23:15:19,024 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 [2021-11-20 23:15:19,092 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:15:19,092 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 85 treesize of output 88 [2021-11-20 23:15:19,123 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:15:19,123 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 88 treesize of output 91 [2021-11-20 23:15:19,151 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:15:19,151 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 91 treesize of output 94 [2021-11-20 23:15:19,269 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 [2021-11-20 23:15:19,280 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 [2021-11-20 23:15:19,293 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 [2021-11-20 23:15:19,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,377 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 [2021-11-20 23:15:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,418 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 [2021-11-20 23:15:19,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,551 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 [2021-11-20 23:15:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,828 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 [2021-11-20 23:15:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,870 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 [2021-11-20 23:15:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:19,919 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 [2021-11-20 23:15:28,415 WARN L227 SmtUtils]: Spent 8.26s 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) [2021-11-20 23:15:28,416 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:15:28,416 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 [2021-11-20 23:15:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:40,815 WARN L227 SmtUtils]: Spent 12.36s 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) [2021-11-20 23:15:40,816 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:15:40,817 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 [2021-11-20 23:15:53,211 WARN L227 SmtUtils]: Spent 12.27s 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) [2021-11-20 23:15:53,212 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 23:15:53,213 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 [2021-11-20 23:15:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:54,708 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:15:54,709 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 25950 treesize of output 25964 [2021-11-20 23:15:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:54,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:54,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:55,570 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:15:55,570 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 25949 treesize of output 25964 [2021-11-20 23:15:57,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:15:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,129 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 23:15:58,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-20 23:15:58,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:58,993 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 23:15:58,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-20 23:15:59,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:15:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:15:59,472 INFO L244 Elim1Store]: Index analysis took 192 ms [2021-11-20 23:15:59,646 INFO L354 Elim1Store]: treesize reduction 23, result has 66.7 percent of original size [2021-11-20 23:15:59,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1715 treesize of output 1313 [2021-11-20 23:16:00,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:00,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:00,885 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-11-20 23:16:00,887 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 1715 treesize of output 1267 [2021-11-20 23:16:01,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:01,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:01,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:01,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:01,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:01,767 INFO L244 Elim1Store]: Index analysis took 156 ms [2021-11-20 23:16:01,769 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 1715 treesize of output 1267 [2021-11-20 23:16:03,097 INFO L244 Elim1Store]: Index analysis took 243 ms [2021-11-20 23:16:05,903 INFO L354 Elim1Store]: treesize reduction 502, result has 73.0 percent of original size [2021-11-20 23:16:05,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1724 treesize of output 2624 [2021-11-20 23:16:10,570 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:11,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:14,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:15,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:15,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:15,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:15,345 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-20 23:16:16,065 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:16:16,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1703 treesize of output 2419 [2021-11-20 23:16:18,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:18,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:18,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1694 treesize of output 1264 [2021-11-20 23:16:19,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:19,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:19,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:19,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:19,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:20,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:16:20,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:20,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:20,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:20,194 INFO L244 Elim1Store]: Index analysis took 229 ms [2021-11-20 23:16:20,211 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-20 23:16:20,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1703 treesize of output 1267 [2021-11-20 23:16:21,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:21,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:24,456 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:16:24,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1700 treesize of output 1708 [2021-11-20 23:16:25,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:25,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-20 23:16:26,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:16:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:27,524 INFO L244 Elim1Store]: Index analysis took 118 ms [2021-11-20 23:16:27,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:28,778 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-20 23:16:28,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-20 23:16:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:29,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:29,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:29,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-20 23:16:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:16:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver