./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur --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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:20:31,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:20:31,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:20:31,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:20:31,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:20:31,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:20:31,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:20:31,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:20:31,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:20:31,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:20:31,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:20:31,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:20:31,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:20:31,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:20:31,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:20:31,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:20:31,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:20:31,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:20:31,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:20:31,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:20:31,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:20:31,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:20:31,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:20:31,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:20:31,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:20:31,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:20:31,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:20:31,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:20:31,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:20:31,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:20:31,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:20:31,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:20:31,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:20:31,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:20:31,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:20:31,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:20:31,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:20:31,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:20:31,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:20:31,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:20:31,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:20:31,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:20:31,489 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:20:31,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:20:31,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:20:31,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:20:31,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:20:31,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:20:31,498 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:20:31,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:20:31,499 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:20:31,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:20:31,500 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:20:31,500 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:20:31,500 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:20:31,501 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:20:31,501 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:20:31,501 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:20:31,501 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:20:31,501 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:20:31,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:20:31,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:20:31,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:20:31,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:20:31,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:20:31,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:20:31,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:20:31,504 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:20:31,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:20:31,505 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:20:31,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:20:31,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:20:31,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:20:31,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:20:31,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:20:31,507 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:20:31,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:20:31,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:20:31,507 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:20:31,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:20:31,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:20:31,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:20:31,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-11-26 00:20:31,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:20:31,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:20:31,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:20:31,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:20:31,850 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:20:31,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-26 00:20:34,894 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:20:35,255 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:20:35,256 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-26 00:20:35,271 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/data/ee730e831/cdf03344a1f1416b87525b10c027d832/FLAG6fe85777d [2022-11-26 00:20:35,285 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/data/ee730e831/cdf03344a1f1416b87525b10c027d832 [2022-11-26 00:20:35,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:20:35,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:20:35,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:20:35,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:20:35,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:20:35,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:20:35" (1/1) ... [2022-11-26 00:20:35,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd5d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:35, skipping insertion in model container [2022-11-26 00:20:35,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:20:35" (1/1) ... [2022-11-26 00:20:35,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:20:35,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:20:36,056 WARN L237 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_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-26 00:20:36,065 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:20:36,074 WARN L623 FunctionHandler]: Unknown extern function write [2022-11-26 00:20:36,086 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-11-26 00:20:36,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:20:36,114 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:20:36,168 WARN L237 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_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-26 00:20:36,174 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:20:36,183 WARN L623 FunctionHandler]: Unknown extern function write [2022-11-26 00:20:36,192 WARN L623 FunctionHandler]: Unknown extern function getopt [2022-11-26 00:20:36,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:20:36,291 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:20:36,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36 WrapperNode [2022-11-26 00:20:36,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:20:36,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:20:36,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:20:36,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:20:36,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,376 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 374 [2022-11-26 00:20:36,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:20:36,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:20:36,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:20:36,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:20:36,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:20:36,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:20:36,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:20:36,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:20:36,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (1/1) ... [2022-11-26 00:20:36,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:20:36,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:36,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:20:36,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:20:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:20:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:20:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:20:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:20:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:20:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:20:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:20:36,555 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-26 00:20:36,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:20:36,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:20:36,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:20:36,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:20:36,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:20:36,974 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:20:36,976 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:20:37,446 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:20:37,583 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:20:37,584 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-26 00:20:37,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:20:37 BoogieIcfgContainer [2022-11-26 00:20:37,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:20:37,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:20:37,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:20:37,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:20:37,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:20:35" (1/3) ... [2022-11-26 00:20:37,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76408ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:20:37, skipping insertion in model container [2022-11-26 00:20:37,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:20:36" (2/3) ... [2022-11-26 00:20:37,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76408ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:20:37, skipping insertion in model container [2022-11-26 00:20:37,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:20:37" (3/3) ... [2022-11-26 00:20:37,601 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2022-11-26 00:20:37,619 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:20:37,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-11-26 00:20:37,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:20:37,671 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@331cad91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:20:37,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-26 00:20:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 58 states have (on average 1.8103448275862069) internal successors, (105), 82 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-26 00:20:37,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:37,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-26 00:20:37,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:20:37,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:37,688 INFO L85 PathProgramCache]: Analyzing trace with hash 349165, now seen corresponding path program 1 times [2022-11-26 00:20:37,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:37,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444907325] [2022-11-26 00:20:37,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:37,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:38,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:38,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444907325] [2022-11-26 00:20:38,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444907325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:38,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:38,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:20:38,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109876470] [2022-11-26 00:20:38,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:38,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:38,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:38,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:38,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:38,262 INFO L87 Difference]: Start difference. First operand has 86 states, 58 states have (on average 1.8103448275862069) internal successors, (105), 82 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:38,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:38,396 INFO L93 Difference]: Finished difference Result 171 states and 217 transitions. [2022-11-26 00:20:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:38,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-11-26 00:20:38,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:38,407 INFO L225 Difference]: With dead ends: 171 [2022-11-26 00:20:38,407 INFO L226 Difference]: Without dead ends: 88 [2022-11-26 00:20:38,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:38,417 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:38,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 176 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:20:38,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-26 00:20:38,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-26 00:20:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 61 states have (on average 1.721311475409836) internal successors, (105), 84 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 109 transitions. [2022-11-26 00:20:38,516 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 109 transitions. Word has length 3 [2022-11-26 00:20:38,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:38,516 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 109 transitions. [2022-11-26 00:20:38,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:38,519 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2022-11-26 00:20:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:20:38,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:38,520 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-26 00:20:38,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:20:38,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:20:38,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:38,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1812084451, now seen corresponding path program 1 times [2022-11-26 00:20:38,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:38,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214894404] [2022-11-26 00:20:38,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:38,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:38,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:38,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214894404] [2022-11-26 00:20:38,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214894404] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:20:38,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368343152] [2022-11-26 00:20:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:38,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:38,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:38,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:20:38,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:20:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:38,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:20:38,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:38,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:38,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368343152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:38,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:20:38,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2022-11-26 00:20:38,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378690910] [2022-11-26 00:20:38,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:38,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:38,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:38,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:38,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:38,936 INFO L87 Difference]: Start difference. First operand 88 states and 109 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-26 00:20:39,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:39,015 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2022-11-26 00:20:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:39,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-26 00:20:39,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:39,017 INFO L225 Difference]: With dead ends: 88 [2022-11-26 00:20:39,017 INFO L226 Difference]: Without dead ends: 87 [2022-11-26 00:20:39,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:39,019 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 97 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:39,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 91 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-26 00:20:39,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-11-26 00:20:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 61 states have (on average 1.7049180327868851) internal successors, (104), 83 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2022-11-26 00:20:39,029 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 6 [2022-11-26 00:20:39,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:39,029 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2022-11-26 00:20:39,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-26 00:20:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2022-11-26 00:20:39,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:20:39,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:39,030 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-26 00:20:39,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:39,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:39,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:20:39,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:39,238 INFO L85 PathProgramCache]: Analyzing trace with hash 340043178, now seen corresponding path program 1 times [2022-11-26 00:20:39,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:39,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51496253] [2022-11-26 00:20:39,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:39,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:20:39,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:39,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51496253] [2022-11-26 00:20:39,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51496253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:39,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:39,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:20:39,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431957080] [2022-11-26 00:20:39,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:39,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:39,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:39,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:39,339 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-26 00:20:39,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:39,388 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2022-11-26 00:20:39,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:39,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-26 00:20:39,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:39,389 INFO L225 Difference]: With dead ends: 87 [2022-11-26 00:20:39,390 INFO L226 Difference]: Without dead ends: 86 [2022-11-26 00:20:39,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:39,391 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:39,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:39,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-26 00:20:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2022-11-26 00:20:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.7118644067796611) internal successors, (101), 80 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2022-11-26 00:20:39,400 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 7 [2022-11-26 00:20:39,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:39,400 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2022-11-26 00:20:39,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-26 00:20:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2022-11-26 00:20:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:20:39,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:39,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:39,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:20:39,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:20:39,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:39,402 INFO L85 PathProgramCache]: Analyzing trace with hash 694994607, now seen corresponding path program 1 times [2022-11-26 00:20:39,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:39,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799799338] [2022-11-26 00:20:39,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:39,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:39,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:39,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799799338] [2022-11-26 00:20:39,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799799338] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:20:39,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178340524] [2022-11-26 00:20:39,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:39,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:39,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:39,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:20:39,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:20:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:39,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:20:39,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:39,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:39,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:20:39,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178340524] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:39,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1563829633] [2022-11-26 00:20:39,762 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-26 00:20:39,762 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:20:39,766 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:20:39,772 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:20:39,772 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:20:39,905 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:20:40,131 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-26 00:20:40,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-26 00:20:40,184 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:20:40,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:40,740 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-26 00:20:40,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-26 00:20:41,141 INFO L321 Elim1Store]: treesize reduction 36, result has 59.1 percent of original size [2022-11-26 00:20:41,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 197 treesize of output 197 [2022-11-26 00:20:41,586 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:41,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:20:42,028 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:42,245 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:42,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:42,729 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:43,375 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:43,474 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:43,504 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:43,539 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:43,641 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:43,751 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:43,793 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:20:43,879 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:43,948 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:44,043 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:44,278 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:44,474 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:44,817 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:44,944 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:45,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:20:45,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:20:45,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:20:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:20:45,801 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:20:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:45,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:45,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:45,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:45,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:20:45,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2022-11-26 00:20:46,074 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:46,166 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:46,264 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:46,299 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:46,335 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:46,420 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:46,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:20:46,848 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:47,064 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:47,151 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:47,189 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:47,238 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:47,355 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:47,588 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:47,839 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:48,009 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:48,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:48,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-11-26 00:20:48,128 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:48,175 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:48,268 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:48,852 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:49,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:49,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:20:49,281 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:49,474 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:50,076 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:50,295 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:50,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:20:50,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2022-11-26 00:20:50,677 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:50,909 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:20:51,014 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:21:04,988 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:21:04,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:21:13,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:21:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:13,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:13,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:13,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:13,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:14,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:14,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:14,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:14,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:28,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 22370 treesize of output 15727 [2022-11-26 00:21:29,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 22280 treesize of output 22276 [2022-11-26 00:21:35,628 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:21:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:21:35,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:21:42,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:22:00,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 21374 treesize of output 15033 [2022-11-26 00:22:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:07,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-26 00:22:11,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:22:11,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:22:12,971 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:22:12,978 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:22:12,983 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:22:13,452 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:22:13,519 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:22:13,780 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:22:29,612 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:22:29,665 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:22:29,868 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:22:45,080 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:22:45,116 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:22:45,294 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:22:58,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:22:59,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:22:59,012 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:22:59,075 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:22:59,085 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:22:59,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1563829633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:59,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:22:59,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 3, 4] total 13 [2022-11-26 00:22:59,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906819358] [2022-11-26 00:22:59,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:59,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:22:59,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:59,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:22:59,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:22:59,553 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:22:59,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:59,899 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2022-11-26 00:22:59,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:22:59,900 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-26 00:22:59,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:59,901 INFO L225 Difference]: With dead ends: 86 [2022-11-26 00:22:59,901 INFO L226 Difference]: Without dead ends: 82 [2022-11-26 00:22:59,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:22:59,902 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 5 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:59,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 434 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:22:59,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-26 00:22:59,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-26 00:22:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.6333333333333333) internal successors, (98), 77 states have internal predecessors, (98), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:22:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2022-11-26 00:22:59,909 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 102 transitions. Word has length 9 [2022-11-26 00:22:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:59,910 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 102 transitions. [2022-11-26 00:22:59,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:22:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 102 transitions. [2022-11-26 00:22:59,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-26 00:22:59,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:59,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:59,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:23:00,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:00,116 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:23:00,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:00,117 INFO L85 PathProgramCache]: Analyzing trace with hash 49882010, now seen corresponding path program 1 times [2022-11-26 00:23:00,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:00,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529887364] [2022-11-26 00:23:00,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:00,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:23:00,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:00,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529887364] [2022-11-26 00:23:00,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529887364] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:00,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828666093] [2022-11-26 00:23:00,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:00,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:00,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:00,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:00,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:23:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:00,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:23:00,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:23:00,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:23:00,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828666093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:23:00,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:23:00,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:23:00,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897178808] [2022-11-26 00:23:00,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:23:00,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:23:00,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:23:00,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:23:00,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:00,545 INFO L87 Difference]: Start difference. First operand 82 states and 102 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:00,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:00,590 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2022-11-26 00:23:00,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:23:00,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-26 00:23:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:00,591 INFO L225 Difference]: With dead ends: 82 [2022-11-26 00:23:00,591 INFO L226 Difference]: Without dead ends: 81 [2022-11-26 00:23:00,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:00,592 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 82 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:00,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 89 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:23:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-26 00:23:00,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-26 00:23:00,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.6166666666666667) internal successors, (97), 76 states have internal predecessors, (97), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:23:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 101 transitions. [2022-11-26 00:23:00,600 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 101 transitions. Word has length 15 [2022-11-26 00:23:00,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:00,600 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 101 transitions. [2022-11-26 00:23:00,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 101 transitions. [2022-11-26 00:23:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-26 00:23:00,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:00,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:23:00,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:23:00,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:00,808 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:23:00,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:00,808 INFO L85 PathProgramCache]: Analyzing trace with hash 49871804, now seen corresponding path program 1 times [2022-11-26 00:23:00,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:00,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820395920] [2022-11-26 00:23:00,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:00,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:23:00,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:00,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820395920] [2022-11-26 00:23:00,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820395920] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:00,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454852388] [2022-11-26 00:23:00,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:00,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:00,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:00,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:01,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:23:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:01,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:23:01,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:23:01,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:23:01,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454852388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:23:01,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:23:01,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:23:01,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394340777] [2022-11-26 00:23:01,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:23:01,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:23:01,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:23:01,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:23:01,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:01,228 INFO L87 Difference]: Start difference. First operand 81 states and 101 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:01,291 INFO L93 Difference]: Finished difference Result 140 states and 179 transitions. [2022-11-26 00:23:01,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:23:01,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-26 00:23:01,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:01,293 INFO L225 Difference]: With dead ends: 140 [2022-11-26 00:23:01,293 INFO L226 Difference]: Without dead ends: 139 [2022-11-26 00:23:01,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:01,294 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 81 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:01,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 225 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:23:01,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-26 00:23:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 80. [2022-11-26 00:23:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.6) internal successors, (96), 75 states have internal predecessors, (96), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:23:01,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2022-11-26 00:23:01,304 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 15 [2022-11-26 00:23:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:01,304 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2022-11-26 00:23:01,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2022-11-26 00:23:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:23:01,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:01,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:23:01,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:23:01,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-26 00:23:01,511 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:23:01,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:01,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1546342396, now seen corresponding path program 1 times [2022-11-26 00:23:01,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:01,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029228999] [2022-11-26 00:23:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:01,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:23:01,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:01,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029228999] [2022-11-26 00:23:01,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029228999] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:01,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220499916] [2022-11-26 00:23:01,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:01,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:01,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:01,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:01,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:23:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:01,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:23:01,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:23:01,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:23:01,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220499916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:23:01,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:23:01,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:23:01,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960190099] [2022-11-26 00:23:01,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:23:01,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:23:01,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:23:01,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:23:01,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:01,912 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:02,004 INFO L93 Difference]: Finished difference Result 146 states and 186 transitions. [2022-11-26 00:23:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:23:02,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-26 00:23:02,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:02,006 INFO L225 Difference]: With dead ends: 146 [2022-11-26 00:23:02,006 INFO L226 Difference]: Without dead ends: 145 [2022-11-26 00:23:02,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:02,007 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 79 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:02,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 159 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:23:02,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-26 00:23:02,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 86. [2022-11-26 00:23:02,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 81 states have internal predecessors, (105), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:23:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2022-11-26 00:23:02,016 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 16 [2022-11-26 00:23:02,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:02,016 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2022-11-26 00:23:02,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:02,016 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2022-11-26 00:23:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:23:02,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:02,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:23:02,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:23:02,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 00:23:02,224 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:23:02,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1546026003, now seen corresponding path program 1 times [2022-11-26 00:23:02,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:02,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524339988] [2022-11-26 00:23:02,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:02,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:23:02,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:02,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524339988] [2022-11-26 00:23:02,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524339988] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:02,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380379504] [2022-11-26 00:23:02,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:02,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:02,346 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:02,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:23:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:02,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:23:02,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:23:02,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:23:02,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380379504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:23:02,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:23:02,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:23:02,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276271026] [2022-11-26 00:23:02,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:23:02,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:23:02,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:23:02,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:23:02,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:02,611 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:02,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:02,665 INFO L93 Difference]: Finished difference Result 162 states and 208 transitions. [2022-11-26 00:23:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:23:02,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-26 00:23:02,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:02,666 INFO L225 Difference]: With dead ends: 162 [2022-11-26 00:23:02,666 INFO L226 Difference]: Without dead ends: 92 [2022-11-26 00:23:02,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:02,667 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:02,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:23:02,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-26 00:23:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-26 00:23:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.5416666666666667) internal successors, (111), 87 states have internal predecessors, (111), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:23:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2022-11-26 00:23:02,675 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 16 [2022-11-26 00:23:02,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:02,676 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions. [2022-11-26 00:23:02,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2022-11-26 00:23:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:23:02,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:02,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:23:02,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:23:02,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:02,884 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:23:02,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:02,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1555383259, now seen corresponding path program 1 times [2022-11-26 00:23:02,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:02,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503772042] [2022-11-26 00:23:02,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:02,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:23:02,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:02,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503772042] [2022-11-26 00:23:02,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503772042] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:02,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829689328] [2022-11-26 00:23:02,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:02,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:02,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:02,991 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:03,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:23:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:03,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:23:03,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:23:03,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:23:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:23:03,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829689328] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:23:03,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1820921874] [2022-11-26 00:23:03,257 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-26 00:23:03,257 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:23:03,258 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:23:03,258 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:23:03,258 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:23:03,288 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:23:03,294 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:23:03,492 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-26 00:23:03,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-26 00:23:03,724 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:23:03,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:23:03,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:03,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-26 00:23:03,793 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:23:03,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:23:03,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:23:03,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-26 00:23:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:03,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:23:04,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:23:04,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:23:04,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 204 [2022-11-26 00:23:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-26 00:23:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,576 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-26 00:23:04,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 873 treesize of output 804 [2022-11-26 00:23:04,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:04,615 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:23:04,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 854 treesize of output 847 [2022-11-26 00:23:04,758 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:23:04,774 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:23:04,840 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:23:04,845 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:23:04,851 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:23:04,966 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:23:04,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:23:04,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:23:05,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-26 00:23:05,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-26 00:23:05,082 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:23:05,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:05,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-26 00:23:05,127 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:23:05,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:23:05,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 26 [2022-11-26 00:23:05,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:23:05,171 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:23:05,181 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:23:06,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1820921874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:23:06,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:23:06,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-11-26 00:23:06,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098464773] [2022-11-26 00:23:06,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:23:06,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:23:06,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:23:06,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:23:06,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:23:06,817 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:07,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:07,170 INFO L93 Difference]: Finished difference Result 152 states and 192 transitions. [2022-11-26 00:23:07,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:23:07,171 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-26 00:23:07,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:07,171 INFO L225 Difference]: With dead ends: 152 [2022-11-26 00:23:07,171 INFO L226 Difference]: Without dead ends: 92 [2022-11-26 00:23:07,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:23:07,172 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 1 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:07,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 347 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 00:23:07,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-26 00:23:07,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-26 00:23:07,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.5277777777777777) internal successors, (110), 87 states have internal predecessors, (110), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:23:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 114 transitions. [2022-11-26 00:23:07,182 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 114 transitions. Word has length 16 [2022-11-26 00:23:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:07,182 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 114 transitions. [2022-11-26 00:23:07,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2022-11-26 00:23:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:23:07,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:07,183 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:23:07,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:23:07,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:07,389 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:23:07,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:07,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1568553351, now seen corresponding path program 1 times [2022-11-26 00:23:07,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:07,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412257579] [2022-11-26 00:23:07,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:07,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:23:07,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:07,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412257579] [2022-11-26 00:23:07,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412257579] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:07,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162831925] [2022-11-26 00:23:07,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:07,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:07,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:07,541 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:07,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 00:23:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:07,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:23:07,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:23:07,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:23:07,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162831925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:23:07,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:23:07,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:23:07,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747880724] [2022-11-26 00:23:07,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:23:07,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:23:07,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:23:07,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:23:07,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:07,842 INFO L87 Difference]: Start difference. First operand 92 states and 114 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:07,892 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2022-11-26 00:23:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:23:07,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-26 00:23:07,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:07,893 INFO L225 Difference]: With dead ends: 92 [2022-11-26 00:23:07,894 INFO L226 Difference]: Without dead ends: 91 [2022-11-26 00:23:07,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:07,895 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:07,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:23:07,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-26 00:23:07,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2022-11-26 00:23:07,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.5294117647058822) internal successors, (104), 82 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:23:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2022-11-26 00:23:07,904 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 19 [2022-11-26 00:23:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:07,904 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2022-11-26 00:23:07,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:23:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2022-11-26 00:23:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-26 00:23:07,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:07,905 INFO L195 NwaCegarLoop]: 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] [2022-11-26 00:23:07,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:23:08,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-26 00:23:08,124 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:23:08,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:08,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1874624788, now seen corresponding path program 1 times [2022-11-26 00:23:08,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:08,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200383291] [2022-11-26 00:23:08,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:08,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:23:08,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:08,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200383291] [2022-11-26 00:23:08,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200383291] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:08,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815957338] [2022-11-26 00:23:08,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:08,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:08,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:08,264 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:08,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 00:23:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:08,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:23:08,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:23:08,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:23:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:23:08,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815957338] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:23:08,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1623551638] [2022-11-26 00:23:08,614 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-26 00:23:08,614 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:23:08,614 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:23:08,615 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:23:08,615 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:23:08,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:23:09,129 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-26 00:23:09,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-26 00:23:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:09,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:09,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:23:09,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 185 [2022-11-26 00:23:09,397 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:09,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:23:09,599 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:10,179 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:10,237 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:10,270 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:10,291 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:10,348 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:23:10,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:23:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:23:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:10,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:23:10,786 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:23:10,879 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:10,956 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:11,057 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:11,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-11-26 00:23:11,141 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:11,392 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:11,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:11,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:11,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:23:11,627 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:12,216 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:12,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:12,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:12,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2022-11-26 00:23:12,412 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:12,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:12,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:23:12,999 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:13,221 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:26,675 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:23:26,956 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:23:26,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:23:27,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-26 00:23:27,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:23:35,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:23:35,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:35,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:35,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:35,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:35,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:35,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:35,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:35,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:56,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 31589 treesize of output 21850 [2022-11-26 00:24:08,623 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:24:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:09,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:24:16,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:24:38,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:24:39,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 33618 treesize of output 23907 [2022-11-26 00:24:50,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:50,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:50,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2022-11-26 00:24:57,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:24:58,754 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:24:58,760 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:24:58,767 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:24:59,318 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:24:59,453 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-26 00:24:59,819 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:25:10,944 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:25:11,089 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-26 00:25:11,433 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:25:23,073 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:25:23,196 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-26 00:25:23,545 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:25:35,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:25:35,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:25:35,021 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:25:35,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-26 00:25:35,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-26 00:25:35,137 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-26 00:25:35,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2022-11-26 00:25:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-26 00:25:35,170 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:25:35,201 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:25:35,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:25:35,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:25:35,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:25:35,320 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:25:35,320 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:25:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:25:35,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:35,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:35,421 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-26 00:25:35,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-26 00:25:35,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-26 00:25:35,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:35,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:35,564 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:25:35,564 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:25:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:35,626 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 00:25:35,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-26 00:25:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:25:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 363 treesize of output 227 [2022-11-26 00:25:35,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:35,805 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-26 00:25:35,805 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 142 treesize of output 112 [2022-11-26 00:25:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:35,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 151 [2022-11-26 00:25:35,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:35,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,074 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:25:36,074 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:25:36,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:36,121 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:25:36,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:25:36,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:36,166 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:25:36,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:25:36,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:25:36,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:25:36,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,362 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:25:36,362 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:25:36,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:36,400 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:25:36,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:25:36,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:36,449 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:25:36,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:25:36,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:25:36,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:25:36,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,579 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:25:36,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:25:36,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:36,654 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:25:36,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:25:36,694 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:25:36,694 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:25:37,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,613 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:25:37,614 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:25:37,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:25:37,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:25:37,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:37,687 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:25:37,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:25:37,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:37,730 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:25:37,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:25:37,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,918 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:25:37,918 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:25:37,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:37,964 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:25:37,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:25:37,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:37,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:38,008 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:25:38,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:25:38,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:25:38,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:25:38,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:38,172 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:25:38,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:25:38,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:38,270 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:25:38,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:25:38,321 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:25:38,321 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:25:38,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:38,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,062 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:25:39,063 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:25:39,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:39,105 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:25:39,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:25:39,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:39,147 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:25:39,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:25:39,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:25:39,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:25:39,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,318 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:25:39,318 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:25:39,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:25:39,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:39,368 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:25:39,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:25:39,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:39,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:39,412 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:25:39,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:25:39,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:25:39,597 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:25:39,606 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:25:42,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1623551638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:42,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:25:42,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [4, 3, 4] total 20 [2022-11-26 00:25:42,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789885713] [2022-11-26 00:25:42,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:42,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-26 00:25:42,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:42,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-26 00:25:42,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:25:42,529 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:25:44,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:44,532 INFO L93 Difference]: Finished difference Result 137 states and 172 transitions. [2022-11-26 00:25:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:25:44,533 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-26 00:25:44,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:44,534 INFO L225 Difference]: With dead ends: 137 [2022-11-26 00:25:44,534 INFO L226 Difference]: Without dead ends: 79 [2022-11-26 00:25:44,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:25:44,535 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 199 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:44,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 249 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:25:44,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-26 00:25:44,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2022-11-26 00:25:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 61 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:25:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2022-11-26 00:25:44,555 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 23 [2022-11-26 00:25:44,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:44,556 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2022-11-26 00:25:44,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:25:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2022-11-26 00:25:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-26 00:25:44,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:44,557 INFO L195 NwaCegarLoop]: 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] [2022-11-26 00:25:44,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:44,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-26 00:25:44,764 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:25:44,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:44,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1731578805, now seen corresponding path program 1 times [2022-11-26 00:25:44,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:44,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350705196] [2022-11-26 00:25:44,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:44,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:25:44,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:44,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350705196] [2022-11-26 00:25:44,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350705196] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:25:44,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926526683] [2022-11-26 00:25:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:44,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:44,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:44,926 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:44,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-26 00:25:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:45,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:25:45,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:25:45,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:25:45,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926526683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:45,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:25:45,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-26 00:25:45,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131181887] [2022-11-26 00:25:45,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:45,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:45,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:45,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:45,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:25:45,251 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:25:45,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:45,314 INFO L93 Difference]: Finished difference Result 66 states and 82 transitions. [2022-11-26 00:25:45,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:45,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-26 00:25:45,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:45,315 INFO L225 Difference]: With dead ends: 66 [2022-11-26 00:25:45,315 INFO L226 Difference]: Without dead ends: 65 [2022-11-26 00:25:45,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:25:45,316 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:45,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 105 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:45,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-26 00:25:45,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-26 00:25:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 55 states have (on average 1.4) internal successors, (77), 60 states have internal predecessors, (77), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:25:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2022-11-26 00:25:45,336 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 25 [2022-11-26 00:25:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:45,336 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2022-11-26 00:25:45,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:25:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-11-26 00:25:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-26 00:25:45,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:45,337 INFO L195 NwaCegarLoop]: 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] [2022-11-26 00:25:45,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:45,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:45,540 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:25:45,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:45,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1924820950, now seen corresponding path program 1 times [2022-11-26 00:25:45,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:45,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26435401] [2022-11-26 00:25:45,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:45,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:25:45,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:45,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26435401] [2022-11-26 00:25:45,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26435401] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:25:45,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047058557] [2022-11-26 00:25:45,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:45,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:45,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:45,671 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:45,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-26 00:25:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:46,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:25:46,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:25:46,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:25:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:25:46,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047058557] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:25:46,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [980779377] [2022-11-26 00:25:46,041 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2022-11-26 00:25:46,041 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:25:46,041 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:25:46,041 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:25:46,041 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:25:46,076 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:25:46,265 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-26 00:25:46,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-26 00:25:46,287 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:25:46,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:46,747 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-26 00:25:46,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-26 00:25:46,934 INFO L321 Elim1Store]: treesize reduction 24, result has 59.3 percent of original size [2022-11-26 00:25:46,934 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 121 treesize of output 116 [2022-11-26 00:25:47,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:47,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:47,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:47,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:47,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:47,756 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:48,076 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:48,175 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:48,525 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:48,715 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,168 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,320 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,393 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,438 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,468 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,554 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,648 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,766 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,869 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:49,940 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:25:49,974 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:50,033 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:50,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:50,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:50,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:50,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:50,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:50,869 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:51,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:51,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:51,710 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:51,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:52,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:52,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:52,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:52,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:52,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2022-11-26 00:25:52,202 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:25:52,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2022-11-26 00:25:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:52,629 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:52,702 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:52,753 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:52,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-11-26 00:25:52,859 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:52,949 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:53,097 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:25:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:25:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 1 [2022-11-26 00:25:53,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:53,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:53,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:53,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:25:53,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2022-11-26 00:25:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2022-11-26 00:25:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:25:53,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:26:21,407 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:26:21,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:26:41,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:26:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:41,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:41,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:41,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:41,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:26:42,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:28:16,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 59142 treesize of output 40707 [2022-11-26 00:28:27,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 59066 treesize of output 59062 [2022-11-26 00:28:52,449 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:28:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:28:52,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:29:13,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:30:10,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 55661 treesize of output 38006 [2022-11-26 00:30:23,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:30:23,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:30:23,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:30:23,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-26 00:30:42,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:30:42,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:30:45,461 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:30:45,468 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:30:45,476 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:30:47,185 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:30:48,320 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:30:48,325 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-26 00:30:48,372 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:30:48,496 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:30:48,536 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:30:49,398 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5727 conjuctions. This might take some time... [2022-11-26 00:31:18,206 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5727 conjuctions. [2022-11-26 00:31:18,641 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:31:19,484 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:31:19,488 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-26 00:31:19,528 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:31:19,637 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:31:19,665 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:31:20,598 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5727 conjuctions. This might take some time... [2022-11-26 00:31:50,566 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5727 conjuctions. [2022-11-26 00:31:52,161 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:31:52,963 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:31:52,966 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-26 00:31:53,007 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:31:53,115 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:31:53,143 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:31:53,913 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 5727 conjuctions. This might take some time... [2022-11-26 00:32:23,361 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 5727 conjuctions. [2022-11-26 00:32:23,686 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:23,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:32:23,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:32:23,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-26 00:32:23,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-26 00:32:23,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:23,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-26 00:32:23,825 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-26 00:32:23,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2022-11-26 00:32:23,836 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:32:23,867 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:32:23,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:32:23,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:32:23,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:23,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:23,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:23,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:32:24,014 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:32:24,015 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:32:24,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:32:24,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,110 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-26 00:32:24,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-26 00:32:24,176 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:32:24,176 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:32:24,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,258 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:32:24,258 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:32:24,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,302 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 00:32:24,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-26 00:32:24,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,338 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:32:24,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 357 treesize of output 221 [2022-11-26 00:32:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,464 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-26 00:32:24,465 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 136 treesize of output 109 [2022-11-26 00:32:24,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-11-26 00:32:24,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,647 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:24,647 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:24,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,684 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:24,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:24,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,721 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:24,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:24,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:24,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:24,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,878 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:24,878 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:24,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,913 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:24,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:24,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:24,949 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:24,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:24,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:24,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:25,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,071 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:32:25,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:32:25,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,144 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:32:25,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:32:25,182 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:25,183 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:32:25,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,691 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:25,692 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:25,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:25,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:25,737 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:25,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:25,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:25,775 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:25,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:25,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:25,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,943 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:25,943 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:25,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:25,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:25,980 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:25,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:26,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:26,018 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:26,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:26,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:26,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:26,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,138 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:32:26,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:32:26,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,214 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:32:26,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:32:26,272 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:26,272 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:32:26,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,813 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:26,814 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:26,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:26,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:26,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:26,888 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:26,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:26,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:26,931 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:26,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:26,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:26,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:27,077 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:27,078 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:27,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:27,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:27,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:27,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:27,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:27,138 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:27,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:27,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:27,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:27,183 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:27,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:27,493 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:32:27,501 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:32:31,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [980779377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:32:31,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:32:31,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 3, 4] total 23 [2022-11-26 00:32:31,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311536307] [2022-11-26 00:32:31,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:32:31,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-26 00:32:31,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:32:31,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-26 00:32:31,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:32:31,583 INFO L87 Difference]: Start difference. First operand 65 states and 81 transitions. Second operand has 18 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:32:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:32:33,693 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2022-11-26 00:32:33,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:32:33,694 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-26 00:32:33,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:32:33,694 INFO L225 Difference]: With dead ends: 77 [2022-11-26 00:32:33,695 INFO L226 Difference]: Without dead ends: 75 [2022-11-26 00:32:33,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:32:33,696 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 86 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:32:33,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 297 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:32:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-26 00:32:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 63. [2022-11-26 00:32:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 58 states have internal predecessors, (75), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:32:33,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-11-26 00:32:33,713 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 25 [2022-11-26 00:32:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:32:33,713 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-26 00:32:33,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:32:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-11-26 00:32:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-26 00:32:33,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:32:33,714 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:32:33,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-26 00:32:33,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-26 00:32:33,921 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:32:33,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:32:33,922 INFO L85 PathProgramCache]: Analyzing trace with hash -101439863, now seen corresponding path program 1 times [2022-11-26 00:32:33,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:32:33,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912143618] [2022-11-26 00:32:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:32:33,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:32:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:32:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:32:34,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:32:34,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912143618] [2022-11-26 00:32:34,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912143618] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:32:34,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648601023] [2022-11-26 00:32:34,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:32:34,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:32:34,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:32:34,078 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:32:34,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-26 00:32:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:32:34,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:32:34,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:32:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:32:34,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:32:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-26 00:32:34,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648601023] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:32:34,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2093396125] [2022-11-26 00:32:34,517 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-26 00:32:34,517 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:32:34,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:32:34,517 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:32:34,517 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:32:34,547 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:32:34,746 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:32:34,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:32:34,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:34,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-26 00:32:34,795 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:32:34,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:34,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-26 00:32:34,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-26 00:32:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:34,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:32:34,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:34,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:35,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:35,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 204 [2022-11-26 00:32:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-26 00:32:35,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:35,385 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:35,391 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:35,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,548 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-26 00:32:35,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 873 treesize of output 804 [2022-11-26 00:32:35,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,582 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:32:35,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 854 treesize of output 847 [2022-11-26 00:32:35,747 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:35,754 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:35,759 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:35,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:32:35,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:32:35,855 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:35,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-26 00:32:35,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-26 00:32:35,950 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:32:35,975 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:32:35,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:32:35,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:35,988 INFO L350 Elim1Store]: Elim1 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 40 treesize of output 16 [2022-11-26 00:32:35,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:32:36,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 26 [2022-11-26 00:32:36,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:32:36,137 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:32:36,137 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:32:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:32:36,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,239 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-26 00:32:36,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-26 00:32:36,313 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:32:36,313 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:32:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,399 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:32:36,399 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:32:36,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,441 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 00:32:36,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-26 00:32:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:32:36,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 357 treesize of output 221 [2022-11-26 00:32:36,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,563 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-26 00:32:36,563 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 136 treesize of output 109 [2022-11-26 00:32:36,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-11-26 00:32:36,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,745 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:36,745 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:36,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,780 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:36,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:36,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:36,818 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:36,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:36,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:36,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:36,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:36,981 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:36,982 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:36,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:36,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:37,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:37,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:37,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:37,037 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:37,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:37,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:37,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:37,075 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:37,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:37,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:37,182 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:32:37,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:32:37,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:37,253 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:32:37,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:32:37,293 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:37,293 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:32:39,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,106 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:39,106 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:39,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:39,142 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:39,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:39,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:39,177 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:39,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:39,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:39,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:39,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,332 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:39,332 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:39,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:39,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:39,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:39,391 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:39,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:39,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:39,429 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:39,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:39,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,545 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:32:39,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:32:39,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,618 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:32:39,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:32:39,660 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:39,660 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:32:39,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:39,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,064 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:40,064 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:40,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:40,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:40,110 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:40,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:40,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:40,147 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:40,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:40,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:40,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,274 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:40,274 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:40,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:40,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:40,319 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:40,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:40,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:40,354 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:40,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:40,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:40,429 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:32:40,437 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:32:42,941 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4267#(and (<= ~bb_errno~0.base 10) (<= |ULTIMATE.start_main_~argc~0#1| 2147483646) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (< 2147483646 |ULTIMATE.start_main_~i~4#1|) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 10 |ULTIMATE.start_main_~j~0#1|) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0))' at error location [2022-11-26 00:32:42,941 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:32:42,941 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:32:42,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2022-11-26 00:32:42,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014128532] [2022-11-26 00:32:42,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:32:42,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:32:42,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:32:42,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:32:42,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:32:42,943 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:32:43,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:32:43,029 INFO L93 Difference]: Finished difference Result 130 states and 164 transitions. [2022-11-26 00:32:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:32:43,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-26 00:32:43,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:32:43,030 INFO L225 Difference]: With dead ends: 130 [2022-11-26 00:32:43,030 INFO L226 Difference]: Without dead ends: 72 [2022-11-26 00:32:43,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:32:43,032 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:32:43,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 156 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:32:43,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-26 00:32:43,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-26 00:32:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.3125) internal successors, (84), 67 states have internal predecessors, (84), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:32:43,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 88 transitions. [2022-11-26 00:32:43,051 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 88 transitions. Word has length 26 [2022-11-26 00:32:43,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:32:43,051 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 88 transitions. [2022-11-26 00:32:43,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:32:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2022-11-26 00:32:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-26 00:32:43,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:32:43,052 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:32:43,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-26 00:32:43,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-26 00:32:43,256 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:32:43,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:32:43,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1531440365, now seen corresponding path program 2 times [2022-11-26 00:32:43,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:32:43,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135888034] [2022-11-26 00:32:43,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:32:43,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:32:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:32:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-26 00:32:43,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:32:43,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135888034] [2022-11-26 00:32:43,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135888034] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:32:43,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922532269] [2022-11-26 00:32:43,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:32:43,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:32:43,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:32:43,451 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:32:43,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-26 00:32:43,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 00:32:43,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:32:43,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:32:43,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:32:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-26 00:32:43,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:32:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-26 00:32:43,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922532269] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:32:43,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1522641176] [2022-11-26 00:32:43,915 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-26 00:32:43,915 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:32:43,915 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:32:43,915 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:32:43,915 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:32:43,941 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:32:44,167 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:32:44,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:32:44,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:44,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-26 00:32:44,219 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:32:44,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-26 00:32:44,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:44,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:44,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-26 00:32:44,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:32:44,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:44,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 204 [2022-11-26 00:32:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-26 00:32:44,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:44,818 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:44,975 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-26 00:32:44,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 873 treesize of output 804 [2022-11-26 00:32:45,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,017 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:32:45,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 854 treesize of output 847 [2022-11-26 00:32:45,147 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:45,197 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:45,203 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:45,209 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:45,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:32:45,285 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:45,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:32:45,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-26 00:32:45,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-26 00:32:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-26 00:32:45,394 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:32:45,415 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-26 00:32:45,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2022-11-26 00:32:45,448 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:32:45,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:32:45,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:32:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:32:45,549 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:32:45,549 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:32:45,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:32:45,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:45,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:45,635 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-26 00:32:45,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-26 00:32:45,696 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:32:45,697 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:32:45,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:45,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:45,778 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:32:45,779 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:32:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:45,822 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 00:32:45,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-26 00:32:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,848 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:32:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 357 treesize of output 221 [2022-11-26 00:32:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,956 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-26 00:32:45,956 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 136 treesize of output 109 [2022-11-26 00:32:45,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:45,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-11-26 00:32:46,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,155 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:46,156 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:46,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:46,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:46,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:46,212 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:46,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:46,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:46,254 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:46,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:46,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,398 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:46,399 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:46,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:46,443 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:46,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:46,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:46,484 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:46,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:46,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:46,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:46,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,607 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:32:46,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:32:46,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:46,684 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:32:46,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:32:46,725 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:46,726 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:32:47,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,441 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:47,441 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:47,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:47,478 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:47,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:47,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:47,514 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:47,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:47,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:47,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:47,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,680 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:47,680 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:47,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:47,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:47,731 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:47,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:47,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:47,768 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:47,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:47,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:47,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,883 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:32:47,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:32:47,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:47,961 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:32:47,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:32:48,001 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:48,002 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:32:49,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,384 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:49,385 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:49,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:49,423 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:49,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:49,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:49,461 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:49,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:49,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:49,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:49,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,668 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:49,669 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:49,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:49,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:49,717 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:49,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:49,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:49,759 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:49,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:49,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:49,838 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:32:49,847 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:32:52,495 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4766#(and (<= ~bb_errno~0.base 10) (<= |ULTIMATE.start_main_~argc~0#1| 2147483646) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (< 2147483646 |ULTIMATE.start_main_~i~4#1|) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 10 |ULTIMATE.start_main_~j~0#1|) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= |ULTIMATE.start_main_~j~0#1| 2147483647) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0))' at error location [2022-11-26 00:32:52,495 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:32:52,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:32:52,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-11-26 00:32:52,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532964120] [2022-11-26 00:32:52,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:32:52,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:32:52,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:32:52,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:32:52,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:32:52,498 INFO L87 Difference]: Start difference. First operand 72 states and 88 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:32:52,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:32:52,713 INFO L93 Difference]: Finished difference Result 127 states and 160 transitions. [2022-11-26 00:32:52,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:32:52,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-11-26 00:32:52,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:32:52,715 INFO L225 Difference]: With dead ends: 127 [2022-11-26 00:32:52,715 INFO L226 Difference]: Without dead ends: 81 [2022-11-26 00:32:52,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:32:52,716 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 141 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:32:52,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 130 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:32:52,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-26 00:32:52,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 68. [2022-11-26 00:32:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 63 states have internal predecessors, (79), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:32:52,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 83 transitions. [2022-11-26 00:32:52,737 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 83 transitions. Word has length 35 [2022-11-26 00:32:52,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:32:52,738 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 83 transitions. [2022-11-26 00:32:52,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:32:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2022-11-26 00:32:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-26 00:32:52,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:32:52,739 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:32:52,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-26 00:32:52,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-26 00:32:52,948 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:32:52,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:32:52,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1691156058, now seen corresponding path program 1 times [2022-11-26 00:32:52,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:32:52,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998970736] [2022-11-26 00:32:52,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:32:52,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:32:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:32:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-26 00:32:53,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:32:53,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998970736] [2022-11-26 00:32:53,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998970736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:32:53,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:32:53,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:32:53,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43077291] [2022-11-26 00:32:53,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:32:53,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:32:53,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:32:53,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:32:53,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:32:53,096 INFO L87 Difference]: Start difference. First operand 68 states and 83 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:32:53,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:32:53,161 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2022-11-26 00:32:53,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:32:53,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-11-26 00:32:53,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:32:53,163 INFO L225 Difference]: With dead ends: 72 [2022-11-26 00:32:53,163 INFO L226 Difference]: Without dead ends: 71 [2022-11-26 00:32:53,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:32:53,164 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:32:53,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:32:53,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-26 00:32:53,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-26 00:32:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.28125) internal successors, (82), 66 states have internal predecessors, (82), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:32:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2022-11-26 00:32:53,187 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 38 [2022-11-26 00:32:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:32:53,188 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2022-11-26 00:32:53,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:32:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-11-26 00:32:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-26 00:32:53,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:32:53,189 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:32:53,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:32:53,190 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:32:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:32:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1264073558, now seen corresponding path program 1 times [2022-11-26 00:32:53,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:32:53,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169482744] [2022-11-26 00:32:53,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:32:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:32:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:32:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-26 00:32:53,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:32:53,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169482744] [2022-11-26 00:32:53,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169482744] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:32:53,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481160085] [2022-11-26 00:32:53,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:32:53,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:32:53,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:32:53,384 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:32:53,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-26 00:32:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:32:53,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:32:53,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:32:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:32:53,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:32:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:32:53,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481160085] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:32:53,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1516627623] [2022-11-26 00:32:53,980 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2022-11-26 00:32:53,980 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:32:53,980 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:32:53,981 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:32:53,981 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:32:54,213 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:32:54,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:32:54,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-26 00:32:54,261 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:32:54,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:54,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-26 00:32:54,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:54,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:54,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-26 00:32:54,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:32:54,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 204 [2022-11-26 00:32:54,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-26 00:32:54,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:54,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:32:54,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:54,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,061 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-26 00:32:55,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 873 treesize of output 804 [2022-11-26 00:32:55,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,100 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:32:55,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 854 treesize of output 847 [2022-11-26 00:32:55,255 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:55,273 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:55,321 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:55,325 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:55,330 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:55,418 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:32:55,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:32:55,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:32:55,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-26 00:32:55,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-26 00:32:55,526 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:32:55,535 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:32:55,560 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:32:55,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:32:55,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,573 INFO L350 Elim1Store]: Elim1 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 40 treesize of output 16 [2022-11-26 00:32:55,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 26 [2022-11-26 00:32:55,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:32:55,675 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:32:55,675 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:32:55,739 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:32:55,739 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:32:55,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:32:55,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:55,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:55,819 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-26 00:32:55,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-26 00:32:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:55,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:55,908 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:32:55,909 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:32:55,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:55,954 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 00:32:55,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-26 00:32:55,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:55,972 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:32:56,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 357 treesize of output 221 [2022-11-26 00:32:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,080 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-26 00:32:56,081 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 136 treesize of output 109 [2022-11-26 00:32:56,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-11-26 00:32:56,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,274 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:56,274 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:56,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:56,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,319 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:56,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:56,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,358 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:56,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:56,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:56,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,512 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:56,513 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:56,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,548 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:56,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:56,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:56,586 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:56,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:56,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:56,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:56,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,707 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:32:56,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:32:56,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:56,782 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:32:56,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:32:56,823 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:56,823 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:32:58,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,234 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:58,234 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:58,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:58,272 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:58,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:58,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:58,307 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:58,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:58,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:58,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:58,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,480 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:58,480 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:58,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:58,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:58,525 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:58,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:58,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:58,565 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:58,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:58,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:58,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,676 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:32:58,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 339 treesize of output 292 [2022-11-26 00:32:58,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:58,753 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:32:58,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 250 treesize of output 247 [2022-11-26 00:32:58,795 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:58,795 INFO L350 Elim1Store]: Elim1 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 123 treesize of output 130 [2022-11-26 00:32:59,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,590 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:59,591 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:59,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:59,627 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:59,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:59,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:59,664 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:59,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:32:59,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:59,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:59,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,810 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:32:59,811 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:32:59,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:32:59,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:32:59,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:59,885 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:32:59,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:32:59,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:32:59,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:32:59,926 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:32:59,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:33:00,219 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-11-26 00:33:00,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 268 treesize of output 305 [2022-11-26 00:33:01,437 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-26 00:33:01,473 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-26 00:33:01,486 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:33:01,495 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:33:06,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1516627623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:33:06,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:33:06,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [3, 6, 7] total 30 [2022-11-26 00:33:06,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828843117] [2022-11-26 00:33:06,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:33:06,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-26 00:33:06,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:33:06,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-26 00:33:06,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=745, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:33:06,072 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:33:09,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:33:09,170 INFO L93 Difference]: Finished difference Result 86 states and 104 transitions. [2022-11-26 00:33:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:33:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-11-26 00:33:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:33:09,172 INFO L225 Difference]: With dead ends: 86 [2022-11-26 00:33:09,172 INFO L226 Difference]: Without dead ends: 78 [2022-11-26 00:33:09,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2022-11-26 00:33:09,173 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 146 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:33:09,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 276 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:33:09,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-26 00:33:09,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2022-11-26 00:33:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 67 states have internal predecessors, (83), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:33:09,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2022-11-26 00:33:09,196 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 41 [2022-11-26 00:33:09,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:33:09,196 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2022-11-26 00:33:09,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:33:09,197 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-11-26 00:33:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-26 00:33:09,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:33:09,197 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:33:09,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-26 00:33:09,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:33:09,400 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:33:09,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:33:09,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1912719641, now seen corresponding path program 1 times [2022-11-26 00:33:09,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:33:09,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893939053] [2022-11-26 00:33:09,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:09,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:33:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-26 00:33:09,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:33:09,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893939053] [2022-11-26 00:33:09,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893939053] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:33:09,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167595793] [2022-11-26 00:33:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:09,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:33:09,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:33:09,564 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:33:09,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-26 00:33:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:10,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:33:10,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:33:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:33:10,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:33:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:33:10,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167595793] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:33:10,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [668710806] [2022-11-26 00:33:10,188 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-26 00:33:10,189 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:33:10,190 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:33:10,190 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:33:10,190 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:33:10,220 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-26 00:33:10,396 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-26 00:33:10,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-26 00:33:10,612 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:33:10,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:33:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:10,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-26 00:33:10,663 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:33:10,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:10,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:10,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:10,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-26 00:33:10,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:10,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:33:10,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:10,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 210 [2022-11-26 00:33:10,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:10,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:10,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2022-11-26 00:33:10,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:11,318 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:11,324 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:11,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,470 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-26 00:33:11,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 879 treesize of output 810 [2022-11-26 00:33:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 860 treesize of output 850 [2022-11-26 00:33:11,673 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:11,679 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:11,685 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:11,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:33:11,759 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:11,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:33:11,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-26 00:33:11,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-26 00:33:11,860 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:33:11,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-26 00:33:11,893 INFO L321 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2022-11-26 00:33:11,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2022-11-26 00:33:11,923 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:33:11,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:33:11,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:33:11,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:11,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:33:12,026 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:33:12,027 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:33:12,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:33:12,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,095 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-26 00:33:12,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-26 00:33:12,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-26 00:33:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,188 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:33:12,188 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:33:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,232 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 00:33:12,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-26 00:33:12,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:33:12,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 205 [2022-11-26 00:33:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,373 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-26 00:33:12,373 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 120 treesize of output 101 [2022-11-26 00:33:12,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:33:12,486 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:12,486 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:12,520 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:12,520 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:12,530 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:12,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,693 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:33:12,694 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:33:12,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,738 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:12,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:33:12,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,775 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:33:12,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:33:12,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:33:12,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:33:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,826 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:12,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:33:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-26 00:33:12,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,878 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:12,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,917 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:12,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-26 00:33:12,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:12,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 75 [2022-11-26 00:33:12,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:12,972 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:12,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-26 00:33:13,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,100 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-26 00:33:13,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 569 treesize of output 366 [2022-11-26 00:33:13,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,197 INFO L321 Elim1Store]: treesize reduction 366, result has 9.2 percent of original size [2022-11-26 00:33:13,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 451 treesize of output 379 [2022-11-26 00:33:13,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,240 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:13,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 543 treesize of output 460 [2022-11-26 00:33:13,331 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:13,332 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:13,362 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:13,362 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:13,373 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:13,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,563 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:33:13,564 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:33:13,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,606 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:13,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:33:13,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,651 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:33:13,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:33:13,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:33:13,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:33:13,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,751 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:13,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:33:13,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-26 00:33:13,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,814 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:13,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:13,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,892 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:13,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 271 treesize of output 156 [2022-11-26 00:33:13,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:13,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 67 [2022-11-26 00:33:13,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:13,960 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:13,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:14,033 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:14,033 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:14,068 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:14,069 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:14,080 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:14,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,324 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:33:14,324 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:33:14,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:33:14,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:33:14,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,386 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:14,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:33:14,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,430 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:33:14,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:33:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,482 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:14,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:33:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-26 00:33:14,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,544 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:14,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,602 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:14,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 275 treesize of output 160 [2022-11-26 00:33:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:14,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2022-11-26 00:33:14,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:14,663 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:14,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:14,768 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:14,769 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:14,804 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:14,804 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:14,815 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:14,895 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:14,896 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:14,929 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:14,929 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:14,939 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:15,141 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-26 00:33:15,228 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-26 00:33:15,271 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-26 00:33:15,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:15,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:15,429 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:33:15,429 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:33:15,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:33:15,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:15,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:15,482 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:15,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:33:15,510 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:15,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:15,528 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:33:15,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:33:15,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:33:15,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:15,642 INFO L321 Elim1Store]: treesize reduction 104, result has 39.2 percent of original size [2022-11-26 00:33:15,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 239 treesize of output 184 [2022-11-26 00:33:15,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:15,702 INFO L321 Elim1Store]: treesize reduction 68, result has 40.9 percent of original size [2022-11-26 00:33:15,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 145 treesize of output 134 [2022-11-26 00:33:15,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-26 00:33:15,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:15,933 INFO L321 Elim1Store]: treesize reduction 96, result has 43.9 percent of original size [2022-11-26 00:33:15,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 449 treesize of output 354 [2022-11-26 00:33:16,078 INFO L321 Elim1Store]: treesize reduction 124, result has 39.5 percent of original size [2022-11-26 00:33:16,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 211 treesize of output 263 [2022-11-26 00:33:16,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:16,172 INFO L321 Elim1Store]: treesize reduction 60, result has 47.8 percent of original size [2022-11-26 00:33:16,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 345 treesize of output 310 [2022-11-26 00:33:19,260 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:33:19,264 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:33:19,654 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:33:19,659 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:33:19,980 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:19,981 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:20,017 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:20,018 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:20,027 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:20,060 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:33:20,104 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:33:24,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [668710806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:33:24,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:33:24,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [3, 6, 7] total 33 [2022-11-26 00:33:24,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809394676] [2022-11-26 00:33:24,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:33:24,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-26 00:33:24,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:33:24,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-26 00:33:24,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=920, Unknown=0, NotChecked=0, Total=1056 [2022-11-26 00:33:24,753 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:33:28,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:33:28,632 INFO L93 Difference]: Finished difference Result 81 states and 97 transitions. [2022-11-26 00:33:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:33:28,632 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-11-26 00:33:28,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:33:28,633 INFO L225 Difference]: With dead ends: 81 [2022-11-26 00:33:28,633 INFO L226 Difference]: Without dead ends: 73 [2022-11-26 00:33:28,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=243, Invalid=1649, Unknown=0, NotChecked=0, Total=1892 [2022-11-26 00:33:28,634 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 119 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:33:28,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 280 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:33:28,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-26 00:33:28,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2022-11-26 00:33:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 67 states have internal predecessors, (83), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:33:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2022-11-26 00:33:28,655 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 44 [2022-11-26 00:33:28,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:33:28,656 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2022-11-26 00:33:28,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:33:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-11-26 00:33:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-26 00:33:28,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:33:28,657 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:33:28,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-26 00:33:28,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-26 00:33:28,860 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:33:28,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:33:28,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2040682563, now seen corresponding path program 1 times [2022-11-26 00:33:28,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:33:28,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147055295] [2022-11-26 00:33:28,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:28,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:33:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:29,053 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-26 00:33:29,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:33:29,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147055295] [2022-11-26 00:33:29,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147055295] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:33:29,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564139929] [2022-11-26 00:33:29,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:29,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:33:29,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:33:29,055 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:33:29,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-26 00:33:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:29,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:33:29,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:33:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:33:29,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:33:29,663 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:33:29,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564139929] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:33:29,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [21205770] [2022-11-26 00:33:29,665 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-26 00:33:29,666 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:33:29,666 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:33:29,666 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:33:29,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:33:29,919 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:33:29,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:33:29,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:29,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-26 00:33:29,977 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:33:30,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:30,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-26 00:33:30,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 192 [2022-11-26 00:33:30,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:33:30,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:30,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:30,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:30,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:33:30,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 210 [2022-11-26 00:33:30,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2022-11-26 00:33:30,551 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:30,557 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:30,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,706 INFO L321 Elim1Store]: treesize reduction 270, result has 15.9 percent of original size [2022-11-26 00:33:30,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 879 treesize of output 810 [2022-11-26 00:33:30,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:30,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 860 treesize of output 850 [2022-11-26 00:33:30,902 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:30,908 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:30,915 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:30,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:33:31,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:33:31,009 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:31,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-26 00:33:31,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-26 00:33:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-26 00:33:31,126 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:33:31,135 INFO L350 Elim1Store]: Elim1 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 11 [2022-11-26 00:33:31,161 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:33:31,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-26 00:33:31,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 26 [2022-11-26 00:33:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-26 00:33:31,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-26 00:33:31,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,309 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-26 00:33:31,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-26 00:33:31,366 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-26 00:33:31,367 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-26 00:33:31,427 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-26 00:33:31,427 INFO L350 Elim1Store]: Elim1 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 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-26 00:33:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,508 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-26 00:33:31,508 INFO L350 Elim1Store]: Elim1 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-26 00:33:31,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,550 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 00:33:31,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 79 [2022-11-26 00:33:31,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:33:31,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 345 treesize of output 209 [2022-11-26 00:33:31,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,679 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-26 00:33:31,679 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 124 treesize of output 103 [2022-11-26 00:33:31,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:31,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-26 00:33:31,787 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:31,788 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:31,818 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:31,818 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:31,828 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:31,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,977 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:33:31,978 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:33:31,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:31,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,015 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:32,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:33:32,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,054 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:33:32,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:33:32,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:33:32,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:33:32,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,122 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:32,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:33:32,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-26 00:33:32,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,179 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:32,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:32,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,221 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:32,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-26 00:33:32,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 75 [2022-11-26 00:33:32,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,282 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:32,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-26 00:33:32,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,440 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-26 00:33:32,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 603 treesize of output 400 [2022-11-26 00:33:32,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,488 INFO L321 Elim1Store]: treesize reduction 167, result has 8.2 percent of original size [2022-11-26 00:33:32,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 485 treesize of output 381 [2022-11-26 00:33:32,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,531 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:32,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 559 treesize of output 460 [2022-11-26 00:33:32,624 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:32,624 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:32,653 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:32,654 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:32,663 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:32,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,864 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:33:32,865 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:33:32,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:33:32,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:33:32,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,927 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:32,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:33:32,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:32,970 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:33:32,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:33:33,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,015 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:33,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:33:33,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-26 00:33:33,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,075 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:33,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,159 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:33,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 271 treesize of output 156 [2022-11-26 00:33:33,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 67 [2022-11-26 00:33:33,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,223 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:33,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:33,313 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:33,314 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:33,349 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:33,349 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:33,361 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:33,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,537 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-26 00:33:33,537 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-26 00:33:33,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,576 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:33,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-26 00:33:33,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,616 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-26 00:33:33,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-26 00:33:33,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2022-11-26 00:33:33,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 17 [2022-11-26 00:33:33,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,676 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:33,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-26 00:33:33,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-26 00:33:33,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,735 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:33,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-26 00:33:33,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,779 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:33:33,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 293 treesize of output 178 [2022-11-26 00:33:33,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:33,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 78 [2022-11-26 00:33:33,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,848 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:33,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 188 treesize of output 137 [2022-11-26 00:33:33,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:33,990 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-26 00:33:33,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 567 treesize of output 364 [2022-11-26 00:33:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:34,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:34,087 INFO L321 Elim1Store]: treesize reduction 346, result has 13.3 percent of original size [2022-11-26 00:33:34,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 449 treesize of output 389 [2022-11-26 00:33:34,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:34,132 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-26 00:33:34,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 523 treesize of output 456 [2022-11-26 00:33:34,234 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:34,234 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:34,268 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:34,269 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:34,279 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:34,726 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-11-26 00:33:34,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 268 treesize of output 305 [2022-11-26 00:33:35,756 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-26 00:33:35,797 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-26 00:33:35,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:35,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:35,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:35,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:35,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:35,967 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:35,968 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 784 treesize of output 590 [2022-11-26 00:33:36,166 INFO L321 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2022-11-26 00:33:36,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 250 treesize of output 277 [2022-11-26 00:33:36,328 INFO L321 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-11-26 00:33:36,328 INFO L350 Elim1Store]: Elim1 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 258 treesize of output 246 [2022-11-26 00:33:36,491 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-26 00:33:36,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 233 treesize of output 254 [2022-11-26 00:33:36,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:36,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:36,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:36,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:36,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:36,552 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-26 00:33:36,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 321 treesize of output 259 [2022-11-26 00:33:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:36,641 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-26 00:33:36,641 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 71 treesize of output 61 [2022-11-26 00:33:39,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:39,996 INFO L321 Elim1Store]: treesize reduction 242, result has 12.3 percent of original size [2022-11-26 00:33:39,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 3537 treesize of output 2897 [2022-11-26 00:33:40,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:40,094 INFO L321 Elim1Store]: treesize reduction 69, result has 21.6 percent of original size [2022-11-26 00:33:40,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3351 treesize of output 3337 [2022-11-26 00:33:40,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:40,214 INFO L321 Elim1Store]: treesize reduction 230, result has 12.9 percent of original size [2022-11-26 00:33:40,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 3408 treesize of output 3312 [2022-11-26 00:33:43,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:43,886 INFO L321 Elim1Store]: treesize reduction 242, result has 12.3 percent of original size [2022-11-26 00:33:43,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 6847 treesize of output 5631 [2022-11-26 00:33:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:44,027 INFO L321 Elim1Store]: treesize reduction 109, result has 6.0 percent of original size [2022-11-26 00:33:44,027 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 6661 treesize of output 6618 [2022-11-26 00:33:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:44,195 INFO L321 Elim1Store]: treesize reduction 230, result has 12.9 percent of original size [2022-11-26 00:33:44,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 6742 treesize of output 6558 [2022-11-26 00:33:45,809 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-26 00:33:45,810 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-26 00:33:45,841 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-26 00:33:45,841 INFO L350 Elim1Store]: Elim1 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-26 00:33:45,849 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:33:45,938 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-26 00:33:45,945 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:33:52,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [21205770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:33:52,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:33:52,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [3, 6, 7] total 34 [2022-11-26 00:33:52,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104146179] [2022-11-26 00:33:52,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:33:52,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-26 00:33:52,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:33:52,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-26 00:33:52,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=986, Unknown=0, NotChecked=0, Total=1122 [2022-11-26 00:33:52,869 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand has 22 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:33:56,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:33:56,457 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2022-11-26 00:33:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:33:56,458 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-11-26 00:33:56,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:33:56,459 INFO L225 Difference]: With dead ends: 85 [2022-11-26 00:33:56,459 INFO L226 Difference]: Without dead ends: 77 [2022-11-26 00:33:56,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=176, Invalid=1306, Unknown=0, NotChecked=0, Total=1482 [2022-11-26 00:33:56,460 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 75 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:33:56,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 252 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:33:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-26 00:33:56,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2022-11-26 00:33:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.265625) internal successors, (81), 66 states have internal predecessors, (81), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:33:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 85 transitions. [2022-11-26 00:33:56,476 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 85 transitions. Word has length 46 [2022-11-26 00:33:56,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:33:56,476 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 85 transitions. [2022-11-26 00:33:56,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:33:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2022-11-26 00:33:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-26 00:33:56,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:33:56,477 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:33:56,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-26 00:33:56,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:33:56,684 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-11-26 00:33:56,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:33:56,684 INFO L85 PathProgramCache]: Analyzing trace with hash -728752176, now seen corresponding path program 1 times [2022-11-26 00:33:56,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:33:56,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037873530] [2022-11-26 00:33:56,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:56,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:33:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-26 00:33:56,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:33:56,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037873530] [2022-11-26 00:33:56,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037873530] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:33:56,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977824950] [2022-11-26 00:33:56,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:33:56,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:33:56,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:33:56,937 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:33:56,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7bcbf8f-68de-4bf2-96d3-1b51d926c71a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-26 00:33:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:33:57,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:33:57,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:33:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:33:57,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:33:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-26 00:33:57,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977824950] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:33:57,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1813083500] [2022-11-26 00:33:57,619 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-26 00:33:57,619 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:33:57,619 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:33:57,619 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:33:57,619 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:33:57,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:33:58,154 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-26 00:33:58,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-26 00:33:59,461 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:00,244 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:00,808 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:00,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 16 treesize of output 20 [2022-11-26 00:34:00,941 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:00,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:01,021 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:01,356 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:02,523 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,379 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,538 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,568 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,618 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,667 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,747 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,866 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:03,991 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:04,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:34:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:05,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:34:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:34:06,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:34:06,116 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:34:06,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2022-11-26 00:34:06,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:06,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:34:07,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:07,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:34:08,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:08,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-26 00:34:08,876 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:09,010 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:09,161 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:09,199 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:09,249 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 9 [2022-11-26 00:34:09,272 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:09,365 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:09,439 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:09,546 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:11,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:11,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:11,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:34:11,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 2437 treesize of output 1931 [2022-11-26 00:34:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:14,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:14,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:34:14,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3247 treesize of output 2575 [2022-11-26 00:34:19,341 INFO L321 Elim1Store]: treesize reduction 110, result has 47.6 percent of original size [2022-11-26 00:34:19,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 62 treesize of output 138 [2022-11-26 00:34:19,645 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-26 00:34:19,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-26 00:34:19,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:34:19,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:34:24,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:24,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:24,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:24,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:24,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:24,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:24,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:27,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 12450 treesize of output 8783 [2022-11-26 00:34:31,499 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:34:32,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:32,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 22 [2022-11-26 00:34:34,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:34:34,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:34:42,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 12375 treesize of output 8730 [2022-11-26 00:34:46,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:46,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-26 00:34:48,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:34:48,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 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 [2022-11-26 00:34:49,157 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:34:49,163 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:34:49,169 INFO L350 Elim1Store]: Elim1 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 [2022-11-26 00:34:49,368 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:34:49,456 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-26 00:34:49,467 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2022-11-26 00:34:57,131 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 7508 conjuctions. This might take some time...