./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a343b75818c5d561b79c31bb62e9abdd9bdb0bf3f01f7efa313d9ef0f4204f4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:30:59,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:30:59,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:30:59,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:30:59,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:30:59,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:30:59,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:30:59,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:30:59,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:30:59,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:30:59,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:30:59,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:30:59,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:30:59,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:30:59,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:30:59,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:30:59,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:30:59,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:30:59,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:30:59,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:30:59,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:30:59,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:30:59,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:30:59,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:30:59,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:30:59,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:30:59,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:30:59,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:30:59,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:30:59,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:30:59,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:30:59,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:30:59,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:30:59,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:30:59,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:30:59,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:30:59,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:30:59,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:30:59,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:30:59,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:30:59,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:30:59,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:30:59,413 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:30:59,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:30:59,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:30:59,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:30:59,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:30:59,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:30:59,416 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:30:59,416 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:30:59,417 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:30:59,417 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:30:59,417 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:30:59,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:30:59,418 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:30:59,418 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:30:59,419 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:30:59,419 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:30:59,419 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:30:59,420 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:30:59,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:30:59,421 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:30:59,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:30:59,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:30:59,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:30:59,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:30:59,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:30:59,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:30:59,423 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:30:59,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:30:59,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:30:59,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:30:59,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:30:59,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:30:59,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:30:59,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:30:59,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:30:59,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:30:59,426 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:30:59,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:30:59,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:30:59,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:30:59,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:30:59,428 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a343b75818c5d561b79c31bb62e9abdd9bdb0bf3f01f7efa313d9ef0f4204f4 [2021-11-23 02:30:59,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:30:59,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:30:59,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:30:59,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:30:59,832 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:30:59,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-2.i [2021-11-23 02:30:59,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/data/ecc5ea538/d95fc09aba6045748d00854f8a6d4783/FLAG4a479e417 [2021-11-23 02:31:00,675 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:31:00,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-2.i [2021-11-23 02:31:00,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/data/ecc5ea538/d95fc09aba6045748d00854f8a6d4783/FLAG4a479e417 [2021-11-23 02:31:00,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/data/ecc5ea538/d95fc09aba6045748d00854f8a6d4783 [2021-11-23 02:31:00,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:31:00,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:31:00,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:31:00,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:31:00,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:31:00,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:00" (1/1) ... [2021-11-23 02:31:00,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad0623e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:00, skipping insertion in model container [2021-11-23 02:31:00,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:00" (1/1) ... [2021-11-23 02:31:00,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:31:00,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:31:01,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-2.i[33022,33035] [2021-11-23 02:31:01,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:31:01,828 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:31:01,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-2.i[33022,33035] [2021-11-23 02:31:02,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:31:02,108 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:31:02,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02 WrapperNode [2021-11-23 02:31:02,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:31:02,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:31:02,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:31:02,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:31:02,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,365 INFO L137 Inliner]: procedures = 177, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2330 [2021-11-23 02:31:02,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:31:02,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:31:02,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:31:02,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:31:02,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:31:02,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:31:02,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:31:02,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:31:02,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (1/1) ... [2021-11-23 02:31:02,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:31:02,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:31:02,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:31:02,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:31:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2021-11-23 02:31:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2021-11-23 02:31:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:31:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:31:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:31:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:31:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:31:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:31:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:31:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:31:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:31:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:31:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:31:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:31:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:31:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:31:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:31:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:31:03,003 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:31:03,005 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:31:05,143 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:31:06,041 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:31:06,041 INFO L301 CfgBuilder]: Removed 160 assume(true) statements. [2021-11-23 02:31:06,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:06 BoogieIcfgContainer [2021-11-23 02:31:06,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:31:06,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:31:06,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:31:06,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:31:06,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:31:00" (1/3) ... [2021-11-23 02:31:06,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fe11cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:31:06, skipping insertion in model container [2021-11-23 02:31:06,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:02" (2/3) ... [2021-11-23 02:31:06,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fe11cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:31:06, skipping insertion in model container [2021-11-23 02:31:06,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:06" (3/3) ... [2021-11-23 02:31:06,059 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test10-2.i [2021-11-23 02:31:06,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:31:06,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:31:06,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:31:06,169 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:31:06,170 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:31:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 265 states, 246 states have (on average 1.8252032520325203) internal successors, (449), 251 states have internal predecessors, (449), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-23 02:31:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 02:31:06,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:31:06,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:31:06,207 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:31:06,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:31:06,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1013260908, now seen corresponding path program 1 times [2021-11-23 02:31:06,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:31:06,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460406202] [2021-11-23 02:31:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:06,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:31:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:31:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:31:06,416 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:31:06,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460406202] [2021-11-23 02:31:06,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460406202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:31:06,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:31:06,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:31:06,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872220411] [2021-11-23 02:31:06,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:31:06,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:31:06,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:31:06,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:31:06,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:31:06,482 INFO L87 Difference]: Start difference. First operand has 265 states, 246 states have (on average 1.8252032520325203) internal successors, (449), 251 states have internal predecessors, (449), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:31:07,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:31:07,952 INFO L93 Difference]: Finished difference Result 529 states and 961 transitions. [2021-11-23 02:31:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:31:07,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-23 02:31:07,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:31:07,969 INFO L225 Difference]: With dead ends: 529 [2021-11-23 02:31:07,969 INFO L226 Difference]: Without dead ends: 249 [2021-11-23 02:31:07,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:31:07,978 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:31:07,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 288 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:31:07,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-11-23 02:31:08,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-11-23 02:31:08,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 231 states have (on average 1.199134199134199) internal successors, (277), 236 states have internal predecessors, (277), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:31:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 304 transitions. [2021-11-23 02:31:08,046 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 304 transitions. Word has length 12 [2021-11-23 02:31:08,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:31:08,047 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 304 transitions. [2021-11-23 02:31:08,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:31:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 304 transitions. [2021-11-23 02:31:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:31:08,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:31:08,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:31:08,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:31:08,051 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:31:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:31:08,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1808167895, now seen corresponding path program 1 times [2021-11-23 02:31:08,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:31:08,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506183886] [2021-11-23 02:31:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:08,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:31:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:31:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:31:08,151 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:31:08,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506183886] [2021-11-23 02:31:08,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506183886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:31:08,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:31:08,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:31:08,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229920014] [2021-11-23 02:31:08,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:31:08,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:31:08,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:31:08,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:31:08,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:31:08,156 INFO L87 Difference]: Start difference. First operand 249 states and 304 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:31:11,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:31:11,348 INFO L93 Difference]: Finished difference Result 425 states and 521 transitions. [2021-11-23 02:31:11,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:31:11,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-23 02:31:11,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:31:11,352 INFO L225 Difference]: With dead ends: 425 [2021-11-23 02:31:11,353 INFO L226 Difference]: Without dead ends: 276 [2021-11-23 02:31:11,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:31:11,356 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 27 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:31:11,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 770 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 02:31:11,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-11-23 02:31:11,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 251. [2021-11-23 02:31:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 233 states have (on average 1.1974248927038627) internal successors, (279), 238 states have internal predecessors, (279), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:31:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 306 transitions. [2021-11-23 02:31:11,392 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 306 transitions. Word has length 24 [2021-11-23 02:31:11,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:31:11,392 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 306 transitions. [2021-11-23 02:31:11,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:31:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 306 transitions. [2021-11-23 02:31:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 02:31:11,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:31:11,401 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:31:11,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:31:11,402 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:31:11,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:31:11,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1787107309, now seen corresponding path program 1 times [2021-11-23 02:31:11,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:31:11,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097566248] [2021-11-23 02:31:11,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:11,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:31:11,456 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:31:11,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639074662] [2021-11-23 02:31:11,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:11,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:11,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:31:11,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:31:11,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:31:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:31:11,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:31:11,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:31:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:31:12,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:31:12,142 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:31:12,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097566248] [2021-11-23 02:31:12,143 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:31:12,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639074662] [2021-11-23 02:31:12,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639074662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:31:12,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:31:12,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:31:12,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589188918] [2021-11-23 02:31:12,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:31:12,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:31:12,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:31:12,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:31:12,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:31:12,153 INFO L87 Difference]: Start difference. First operand 251 states and 306 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:31:15,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:31:15,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:31:15,562 INFO L93 Difference]: Finished difference Result 614 states and 746 transitions. [2021-11-23 02:31:15,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:31:15,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-23 02:31:15,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:31:15,569 INFO L225 Difference]: With dead ends: 614 [2021-11-23 02:31:15,569 INFO L226 Difference]: Without dead ends: 366 [2021-11-23 02:31:15,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:31:15,572 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 120 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:31:15,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 532 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 02:31:15,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-23 02:31:15,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2021-11-23 02:31:15,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.1799410029498525) internal successors, (400), 344 states have internal predecessors, (400), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 02:31:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2021-11-23 02:31:15,630 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 49 [2021-11-23 02:31:15,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:31:15,630 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2021-11-23 02:31:15,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:31:15,631 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2021-11-23 02:31:15,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 02:31:15,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:31:15,636 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:31:15,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 02:31:15,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:15,862 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:31:15,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:31:15,863 INFO L85 PathProgramCache]: Analyzing trace with hash -338981431, now seen corresponding path program 1 times [2021-11-23 02:31:15,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:31:15,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526022665] [2021-11-23 02:31:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:15,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:31:15,900 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:31:15,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384426336] [2021-11-23 02:31:15,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:15,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:15,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:31:15,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:31:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:31:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:31:16,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 02:31:16,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:31:16,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:31:16,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-23 02:31:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:31:16,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:31:16,699 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:31:16,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526022665] [2021-11-23 02:31:16,699 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:31:16,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384426336] [2021-11-23 02:31:16,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384426336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:31:16,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:31:16,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:31:16,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197131617] [2021-11-23 02:31:16,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:31:16,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:31:16,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:31:16,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:31:16,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:31:16,704 INFO L87 Difference]: Start difference. First operand 362 states and 437 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:31:21,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:31:21,173 INFO L93 Difference]: Finished difference Result 674 states and 815 transitions. [2021-11-23 02:31:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:31:21,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2021-11-23 02:31:21,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:31:21,177 INFO L225 Difference]: With dead ends: 674 [2021-11-23 02:31:21,178 INFO L226 Difference]: Without dead ends: 362 [2021-11-23 02:31:21,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:31:21,180 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 12 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:31:21,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 772 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-23 02:31:21,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-23 02:31:21,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2021-11-23 02:31:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 339 states have (on average 1.176991150442478) internal successors, (399), 344 states have internal predecessors, (399), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 02:31:21,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 436 transitions. [2021-11-23 02:31:21,203 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 436 transitions. Word has length 62 [2021-11-23 02:31:21,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:31:21,203 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 436 transitions. [2021-11-23 02:31:21,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:31:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 436 transitions. [2021-11-23 02:31:21,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 02:31:21,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:31:21,209 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:31:21,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:31:21,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:21,430 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:31:21,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:31:21,431 INFO L85 PathProgramCache]: Analyzing trace with hash -334329145, now seen corresponding path program 1 times [2021-11-23 02:31:21,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:31:21,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824396527] [2021-11-23 02:31:21,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:21,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:31:21,460 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:31:21,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806252016] [2021-11-23 02:31:21,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:21,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:21,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:31:21,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:31:21,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:31:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:31:21,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:31:21,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:31:22,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 02:31:22,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:31:22,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:31:22,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824396527] [2021-11-23 02:31:22,186 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:31:22,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806252016] [2021-11-23 02:31:22,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806252016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:31:22,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:31:22,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:31:22,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502719812] [2021-11-23 02:31:22,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:31:22,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:31:22,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:31:22,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:31:22,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:31:22,190 INFO L87 Difference]: Start difference. First operand 362 states and 436 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:31:24,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:31:24,791 INFO L93 Difference]: Finished difference Result 820 states and 988 transitions. [2021-11-23 02:31:24,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:31:24,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 83 [2021-11-23 02:31:24,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:31:24,795 INFO L225 Difference]: With dead ends: 820 [2021-11-23 02:31:24,795 INFO L226 Difference]: Without dead ends: 484 [2021-11-23 02:31:24,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:31:24,797 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 110 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:31:24,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 530 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 02:31:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2021-11-23 02:31:24,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 429. [2021-11-23 02:31:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 403 states have (on average 1.1687344913151365) internal successors, (471), 408 states have internal predecessors, (471), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-23 02:31:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 514 transitions. [2021-11-23 02:31:24,823 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 514 transitions. Word has length 83 [2021-11-23 02:31:24,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:31:24,823 INFO L470 AbstractCegarLoop]: Abstraction has 429 states and 514 transitions. [2021-11-23 02:31:24,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 2 states have internal predecessors, (75), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:31:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 514 transitions. [2021-11-23 02:31:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 02:31:24,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:31:24,828 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:31:24,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:31:25,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:25,042 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:31:25,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:31:25,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1903584894, now seen corresponding path program 1 times [2021-11-23 02:31:25,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:31:25,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611324848] [2021-11-23 02:31:25,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:25,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:31:25,070 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:31:25,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1541401344] [2021-11-23 02:31:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:25,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:25,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:31:25,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:31:25,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:31:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:31:25,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:31:25,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:31:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 02:31:25,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:31:25,686 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:31:25,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611324848] [2021-11-23 02:31:25,686 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:31:25,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541401344] [2021-11-23 02:31:25,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541401344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:31:25,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:31:25,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:31:25,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112000688] [2021-11-23 02:31:25,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:31:25,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:31:25,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:31:25,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:31:25,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:31:25,689 INFO L87 Difference]: Start difference. First operand 429 states and 514 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:31:26,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:31:26,967 INFO L93 Difference]: Finished difference Result 719 states and 867 transitions. [2021-11-23 02:31:26,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:31:26,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 96 [2021-11-23 02:31:26,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:31:26,972 INFO L225 Difference]: With dead ends: 719 [2021-11-23 02:31:26,972 INFO L226 Difference]: Without dead ends: 351 [2021-11-23 02:31:26,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:31:26,974 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 438 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:31:26,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 334 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-23 02:31:26,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-23 02:31:26,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-23 02:31:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 330 states have (on average 1.1666666666666667) internal successors, (385), 335 states have internal predecessors, (385), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:31:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 418 transitions. [2021-11-23 02:31:26,996 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 418 transitions. Word has length 96 [2021-11-23 02:31:26,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:31:26,997 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 418 transitions. [2021-11-23 02:31:26,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:31:26,998 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2021-11-23 02:31:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 02:31:27,000 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:31:27,000 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:31:27,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 02:31:27,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:27,214 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:31:27,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:31:27,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1222209427, now seen corresponding path program 1 times [2021-11-23 02:31:27,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:31:27,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003778928] [2021-11-23 02:31:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:27,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:31:27,250 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:31:27,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598360649] [2021-11-23 02:31:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:31:27,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:31:27,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:31:27,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:31:27,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:38:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:38:08,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:38:08,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:38:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 02:38:08,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:38:08,511 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:38:08,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003778928] [2021-11-23 02:38:08,511 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:38:08,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598360649] [2021-11-23 02:38:08,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598360649] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:38:08,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:38:08,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:38:08,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969209199] [2021-11-23 02:38:08,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:38:08,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:38:08,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:38:08,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:38:08,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:38:08,514 INFO L87 Difference]: Start difference. First operand 351 states and 418 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:38:12,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:38:12,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:38:12,647 INFO L93 Difference]: Finished difference Result 684 states and 823 transitions. [2021-11-23 02:38:12,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:38:12,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2021-11-23 02:38:12,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:38:12,650 INFO L225 Difference]: With dead ends: 684 [2021-11-23 02:38:12,650 INFO L226 Difference]: Without dead ends: 353 [2021-11-23 02:38:12,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:38:12,652 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 1 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:38:12,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 806 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 02:38:12,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-23 02:38:12,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-23 02:38:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 331 states have (on average 1.1691842900302114) internal successors, (387), 337 states have internal predecessors, (387), 17 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 16 states have call successors, (19) [2021-11-23 02:38:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 423 transitions. [2021-11-23 02:38:12,672 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 423 transitions. Word has length 103 [2021-11-23 02:38:12,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:38:12,673 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 423 transitions. [2021-11-23 02:38:12,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:38:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 423 transitions. [2021-11-23 02:38:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 02:38:12,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:38:12,675 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:38:12,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:38:12,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:38:12,902 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:38:12,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:38:12,902 INFO L85 PathProgramCache]: Analyzing trace with hash 221127857, now seen corresponding path program 1 times [2021-11-23 02:38:12,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:38:12,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329466689] [2021-11-23 02:38:12,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:12,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:38:12,925 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:38:12,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1060845978] [2021-11-23 02:38:12,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:38:12,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:38:12,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:38:12,927 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:38:12,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62f0c9d2-9710-4e9d-ada0-76e41f0e07be/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 02:41:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:41:22,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:41:22,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:41:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 02:41:23,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:41:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 02:41:23,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:41:23,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329466689] [2021-11-23 02:41:23,419 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:41:23,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060845978] [2021-11-23 02:41:23,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060845978] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:41:23,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1034398481] [2021-11-23 02:41:23,441 INFO L159 IcfgInterpreter]: Started Sifa with 93 locations of interest [2021-11-23 02:41:23,441 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:41:23,446 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:41:23,451 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:41:23,451 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:41:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,735 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:41:23,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-23 02:41:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-23 02:41:23,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 [2021-11-23 02:41:23,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 [2021-11-23 02:41:23,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 02:41:23,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 7 [2021-11-23 02:41:23,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,874 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 02:41:23,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-23 02:41:23,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,938 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:41:23,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 02:41:23,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-23 02:41:23,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:23,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-23 02:41:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:41:24,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2021-11-23 02:41:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 79 [2021-11-23 02:41:24,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-23 02:41:24,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:41:24,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-23 02:41:24,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 98 [2021-11-23 02:41:24,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 02:41:24,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-23 02:41:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-23 02:41:24,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-23 02:41:24,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,750 INFO L354 Elim1Store]: treesize reduction 170, result has 24.8 percent of original size [2021-11-23 02:41:24,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 127 treesize of output 163 [2021-11-23 02:41:24,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:24,808 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:41:24,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 145 treesize of output 156 [2021-11-23 02:41:24,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 02:41:24,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:41:24,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:41:24,997 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:41:24,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-23 02:41:25,026 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:41:25,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-23 02:41:25,055 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:41:25,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-23 02:41:25,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:41:25,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 02:41:25,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:41:25,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:41:25,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:41:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:41:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-23 02:41:25,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-23 02:41:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:25,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-23 02:41:32,303 WARN L227 SmtUtils]: Spent 6.81s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:41:32,304 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:41:32,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2863 treesize of output 2340 [2021-11-23 02:41:32,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:43,502 WARN L227 SmtUtils]: Spent 11.14s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:41:43,503 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:41:43,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2964 treesize of output 2682 [2021-11-23 02:41:55,297 WARN L227 SmtUtils]: Spent 11.65s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:41:55,298 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 02:41:55,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2868 treesize of output 2698 [2021-11-23 02:41:55,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:57,113 INFO L354 Elim1Store]: treesize reduction 156, result has 23.2 percent of original size [2021-11-23 02:41:57,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25966 treesize of output 25997 [2021-11-23 02:41:57,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:57,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:58,085 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:41:58,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25976 treesize of output 25990 [2021-11-23 02:41:58,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:41:58,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:41:58,924 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:41:59,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:59,203 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:41:59,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 02:41:59,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:41:59,660 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:41:59,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-23 02:41:59,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,196 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:00,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:01,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:01,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:01,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:01,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:01,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:01,156 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-23 02:42:01,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-23 02:42:01,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:01,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,035 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,117 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,735 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:02,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,784 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,931 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:03,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,096 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,376 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,774 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:04,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,045 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,341 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,522 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:05,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:06,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:06,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:06,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:06,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 817 treesize of output 369 [2021-11-23 02:42:06,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:06,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 796 treesize of output 366 [2021-11-23 02:42:06,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:06,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:06,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:06,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:06,828 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-11-23 02:42:06,845 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-23 02:42:06,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 817 treesize of output 369 [2021-11-23 02:42:06,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:07,371 INFO L244 Elim1Store]: Index analysis took 310 ms [2021-11-23 02:42:09,238 INFO L354 Elim1Store]: treesize reduction 868, result has 53.3 percent of original size [2021-11-23 02:42:09,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 826 treesize of output 1360 [2021-11-23 02:42:09,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:09,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:09,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:09,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:09,994 INFO L354 Elim1Store]: treesize reduction 723, result has 37.3 percent of original size [2021-11-23 02:42:09,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 805 treesize of output 799 [2021-11-23 02:42:10,035 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:10,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:10,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,280 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-23 02:42:10,453 INFO L354 Elim1Store]: treesize reduction 4, result has 98.2 percent of original size [2021-11-23 02:42:10,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 805 treesize of output 583 [2021-11-23 02:42:10,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:10,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:10,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:10,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:10,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:10,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:10,989 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-23 02:42:10,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 817 treesize of output 369 [2021-11-23 02:42:11,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:11,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:11,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:11,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:11,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:11,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:11,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:11,383 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-23 02:42:11,533 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:42:11,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 749 treesize of output 559 [2021-11-23 02:42:11,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:11,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:11,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 728 treesize of output 366 [2021-11-23 02:42:11,778 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:11,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:11,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:12,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:13,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:13,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:13,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:42:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:13,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:13,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:13,417 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-11-23 02:42:13,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-23 02:42:13,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:13,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,183 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,902 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:14,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,051 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:15,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,080 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,904 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:16,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,125 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,196 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,455 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:17,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,493 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:18,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:19,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:19,095 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:19,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:19,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:19,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,156 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,629 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,774 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:20,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,121 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,159 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,683 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:21,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,146 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,862 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:22,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,567 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:23,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,165 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,323 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,564 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:24,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:25,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:25,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:25,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:25,207 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:25,230 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:26,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:26,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-23 02:42:26,633 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:26,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:26,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:26,843 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:42:26,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-23 02:42:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:27,047 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-23 02:42:27,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-23 02:42:27,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:42:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:27,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:27,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-23 02:42:30,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:30,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:42:31,117 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-23 02:42:31,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 81556 treesize of output 81570 [2021-11-23 02:42:49,630 INFO L190 IndexEqualityManager]: detected not equals via solver