./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2o.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/res2o.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl --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 c8f420e2027982da4f1bb18a6387f830c2a1e2f24637d0451d3246965ba37a6d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:31:40,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:31:40,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:31:40,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:31:40,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:31:40,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:31:40,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:31:40,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:31:40,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:31:40,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:31:40,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:31:40,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:31:40,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:31:40,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:31:40,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:31:40,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:31:40,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:31:40,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:31:40,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:31:40,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:31:40,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:31:40,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:31:40,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:31:40,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:31:40,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:31:40,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:31:40,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:31:40,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:31:40,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:31:40,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:31:40,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:31:40,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:31:40,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:31:40,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:31:40,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:31:40,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:31:40,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:31:40,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:31:40,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:31:40,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:31:40,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:31:40,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:31:40,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:31:40,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:31:40,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:31:40,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:31:40,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:31:40,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:31:40,294 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:31:40,294 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:31:40,295 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:31:40,295 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:31:40,296 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:31:40,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:31:40,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:31:40,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:31:40,298 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:31:40,298 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:31:40,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:31:40,299 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:31:40,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:31:40,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:31:40,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:31:40,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:31:40,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:31:40,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:31:40,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:31:40,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:31:40,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:31:40,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:31:40,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:31:40,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:31:40,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:31:40,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:31:40,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:40,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:31:40,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:31:40,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:31:40,314 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:31:40,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:31:40,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:31:40,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:31:40,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:31:40,316 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_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8f420e2027982da4f1bb18a6387f830c2a1e2f24637d0451d3246965ba37a6d [2021-11-23 17:31:40,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:31:40,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:31:40,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:31:40,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:31:40,692 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:31:40,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/array-fpi/res2o.c [2021-11-23 17:31:40,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data/3e5c97d53/6c8ffe109c244edcba38b60f701e6b17/FLAG7afee7437 [2021-11-23 17:31:41,310 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:31:41,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/sv-benchmarks/c/array-fpi/res2o.c [2021-11-23 17:31:41,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data/3e5c97d53/6c8ffe109c244edcba38b60f701e6b17/FLAG7afee7437 [2021-11-23 17:31:41,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data/3e5c97d53/6c8ffe109c244edcba38b60f701e6b17 [2021-11-23 17:31:41,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:31:41,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:31:41,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:31:41,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:31:41,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:31:41,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:41" (1/1) ... [2021-11-23 17:31:41,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40177d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:41, skipping insertion in model container [2021-11-23 17:31:41,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:41" (1/1) ... [2021-11-23 17:31:41,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:31:41,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:31:41,949 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_057df07c-bf02-481d-8e2a-1aab85daff88/sv-benchmarks/c/array-fpi/res2o.c[588,601] [2021-11-23 17:31:41,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:31:41,988 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:31:42,004 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_057df07c-bf02-481d-8e2a-1aab85daff88/sv-benchmarks/c/array-fpi/res2o.c[588,601] [2021-11-23 17:31:42,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:31:42,034 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:31:42,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42 WrapperNode [2021-11-23 17:31:42,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:31:42,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:31:42,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:31:42,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:31:42,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,084 INFO L137 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2021-11-23 17:31:42,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:31:42,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:31:42,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:31:42,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:31:42,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:31:42,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:31:42,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:31:42,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:31:42,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:42" (1/1) ... [2021-11-23 17:31:42,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:42,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:31:42,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:31:42,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:31:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:31:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:31:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:31:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:31:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:31:42,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:31:42,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:31:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:31:42,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:31:42,367 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:31:42,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:31:42,651 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:31:42,695 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:31:42,714 INFO L158 Benchmark]: Toolchain (without parser) took 1018.43ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.6MB in the beginning and 76.3MB in the end (delta: -14.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-23 17:31:42,722 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:31:42,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.73ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.2MB in the beginning and 92.4MB in the end (delta: -31.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:31:42,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.74ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 91.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:31:42,726 INFO L158 Benchmark]: Boogie Preprocessor took 34.19ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 89.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:31:42,732 INFO L158 Benchmark]: RCFGBuilder took 588.86ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 76.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:31:42,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.73ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.2MB in the beginning and 92.4MB in the end (delta: -31.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.74ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 91.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.19ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 89.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.86ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 76.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:31:42,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/res2o.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl --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 c8f420e2027982da4f1bb18a6387f830c2a1e2f24637d0451d3246965ba37a6d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:31:45,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:31:45,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:31:45,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:31:45,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:31:45,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:31:45,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:31:45,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:31:45,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:31:45,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:31:45,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:31:45,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:31:45,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:31:45,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:31:45,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:31:45,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:31:45,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:31:45,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:31:45,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:31:45,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:31:45,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:31:45,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:31:45,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:31:45,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:31:45,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:31:45,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:31:45,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:31:45,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:31:45,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:31:45,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:31:45,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:31:45,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:31:45,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:31:45,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:31:45,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:31:45,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:31:45,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:31:45,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:31:45,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:31:45,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:31:45,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:31:45,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:31:45,775 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:31:45,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:31:45,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:31:45,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:31:45,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:31:45,777 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:31:45,777 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:31:45,778 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:31:45,778 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:31:45,778 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:31:45,778 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:31:45,779 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:31:45,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:31:45,780 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:31:45,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:31:45,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:31:45,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:31:45,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:31:45,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:31:45,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:31:45,782 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:31:45,782 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:31:45,782 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:31:45,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:31:45,783 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:31:45,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:31:45,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:31:45,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:31:45,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:31:45,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:45,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:31:45,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:31:45,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:31:45,785 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:31:45,785 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:31:45,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:31:45,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:31:45,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:31:45,786 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8f420e2027982da4f1bb18a6387f830c2a1e2f24637d0451d3246965ba37a6d [2021-11-23 17:31:46,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:31:46,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:31:46,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:31:46,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:31:46,279 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:31:46,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/array-fpi/res2o.c [2021-11-23 17:31:46,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data/17e96e0c6/f4db5fa8f330423c905afcf1380307e4/FLAG233f63aee [2021-11-23 17:31:46,991 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:31:46,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/sv-benchmarks/c/array-fpi/res2o.c [2021-11-23 17:31:47,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data/17e96e0c6/f4db5fa8f330423c905afcf1380307e4/FLAG233f63aee [2021-11-23 17:31:47,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/data/17e96e0c6/f4db5fa8f330423c905afcf1380307e4 [2021-11-23 17:31:47,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:31:47,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:31:47,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:31:47,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:31:47,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:31:47,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a872e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47, skipping insertion in model container [2021-11-23 17:31:47,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:31:47,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:31:47,566 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_057df07c-bf02-481d-8e2a-1aab85daff88/sv-benchmarks/c/array-fpi/res2o.c[588,601] [2021-11-23 17:31:47,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:31:47,624 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:31:47,640 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_057df07c-bf02-481d-8e2a-1aab85daff88/sv-benchmarks/c/array-fpi/res2o.c[588,601] [2021-11-23 17:31:47,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:31:47,725 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:31:47,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47 WrapperNode [2021-11-23 17:31:47,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:31:47,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:31:47,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:31:47,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:31:47,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,840 INFO L137 Inliner]: procedures = 21, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2021-11-23 17:31:47,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:31:47,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:31:47,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:31:47,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:31:47,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:31:47,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:31:47,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:31:47,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:31:47,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (1/1) ... [2021-11-23 17:31:47,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:31:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:31:47,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:31:47,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:31:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:31:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:31:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:31:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:31:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:31:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:31:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:31:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:31:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:31:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:31:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:31:48,135 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:31:48,137 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:31:48,392 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:31:48,427 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:31:48,428 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 17:31:48,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:31:48 BoogieIcfgContainer [2021-11-23 17:31:48,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:31:48,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:31:48,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:31:48,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:31:48,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:31:47" (1/3) ... [2021-11-23 17:31:48,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32440cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:31:48, skipping insertion in model container [2021-11-23 17:31:48,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:31:47" (2/3) ... [2021-11-23 17:31:48,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32440cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:31:48, skipping insertion in model container [2021-11-23 17:31:48,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:31:48" (3/3) ... [2021-11-23 17:31:48,440 INFO L111 eAbstractionObserver]: Analyzing ICFG res2o.c [2021-11-23 17:31:48,446 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:31:48,447 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:31:48,522 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:31:48,532 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 17:31:48,539 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:31:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:31:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 17:31:48,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:31:48,579 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:31:48,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:31:48,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:31:48,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1780399656, now seen corresponding path program 1 times [2021-11-23 17:31:48,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:31:48,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446982906] [2021-11-23 17:31:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:31:48,617 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:31:48,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:31:48,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:31:48,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:31:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:31:48,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 17:31:48,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:31:48,924 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 17:31:48,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:31:48,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:31:48,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446982906] [2021-11-23 17:31:48,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446982906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:31:48,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:31:48,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 17:31:48,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112357050] [2021-11-23 17:31:48,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:31:48,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 17:31:48,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:31:48,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 17:31:48,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 17:31:49,000 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:31:49,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:31:49,030 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2021-11-23 17:31:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 17:31:49,033 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-23 17:31:49,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:31:49,048 INFO L225 Difference]: With dead ends: 56 [2021-11-23 17:31:49,048 INFO L226 Difference]: Without dead ends: 26 [2021-11-23 17:31:49,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 17:31:49,061 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 17:31:49,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 17:31:49,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-23 17:31:49,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-23 17:31:49,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:31:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-11-23 17:31:49,123 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 19 [2021-11-23 17:31:49,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:31:49,124 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-11-23 17:31:49,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:31:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2021-11-23 17:31:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 17:31:49,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:31:49,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:31:49,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:31:49,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:31:49,346 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:31:49,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:31:49,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1279549768, now seen corresponding path program 1 times [2021-11-23 17:31:49,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:31:49,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516796230] [2021-11-23 17:31:49,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:31:49,348 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:31:49,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:31:49,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:31:49,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 17:31:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:31:49,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 17:31:49,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:31:49,757 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 17:31:49,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:31:49,771 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:31:49,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516796230] [2021-11-23 17:31:49,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516796230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:31:49,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:31:49,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 17:31:49,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396937856] [2021-11-23 17:31:49,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:31:49,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 17:31:49,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:31:49,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 17:31:49,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 17:31:49,776 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:31:50,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:31:50,156 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2021-11-23 17:31:50,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 17:31:50,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-23 17:31:50,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:31:50,159 INFO L225 Difference]: With dead ends: 57 [2021-11-23 17:31:50,159 INFO L226 Difference]: Without dead ends: 38 [2021-11-23 17:31:50,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-23 17:31:50,162 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 62 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 17:31:50,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 12 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 17:31:50,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-23 17:31:50,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2021-11-23 17:31:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:31:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2021-11-23 17:31:50,174 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 19 [2021-11-23 17:31:50,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:31:50,174 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-11-23 17:31:50,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:31:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2021-11-23 17:31:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 17:31:50,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:31:50,177 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:31:50,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 17:31:50,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:31:50,390 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:31:50,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:31:50,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1740145276, now seen corresponding path program 1 times [2021-11-23 17:31:50,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:31:50,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973873347] [2021-11-23 17:31:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:31:50,393 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:31:50,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:31:50,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:31:50,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 17:31:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:31:50,729 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 17:31:50,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:31:51,106 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 17:31:51,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 623 treesize of output 609 [2021-11-23 17:31:51,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:31:51,715 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 17:31:51,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2021-11-23 17:31:52,112 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:31:52,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-23 17:31:53,718 INFO L354 Elim1Store]: treesize reduction 46, result has 43.2 percent of original size [2021-11-23 17:31:53,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 58 [2021-11-23 17:31:54,988 INFO L354 Elim1Store]: treesize reduction 72, result has 32.7 percent of original size [2021-11-23 17:31:54,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 68 [2021-11-23 17:31:56,572 INFO L354 Elim1Store]: treesize reduction 214, result has 17.7 percent of original size [2021-11-23 17:31:56,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 94 treesize of output 83 [2021-11-23 17:31:57,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:31:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:31:57,661 INFO L354 Elim1Store]: treesize reduction 37, result has 26.0 percent of original size [2021-11-23 17:31:57,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 77 [2021-11-23 17:31:59,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:31:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:31:59,178 INFO L354 Elim1Store]: treesize reduction 37, result has 26.0 percent of original size [2021-11-23 17:31:59,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 130 treesize of output 101 [2021-11-23 17:32:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:32:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:32:00,416 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:32:00,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 126 [2021-11-23 17:32:00,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:32:00,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:33:30,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:30,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:31,974 INFO L244 Elim1Store]: Index analysis took 521 ms [2021-11-23 17:33:32,188 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 17:33:32,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 177 treesize of output 169 [2021-11-23 17:33:32,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:32,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,359 INFO L354 Elim1Store]: treesize reduction 24, result has 64.2 percent of original size [2021-11-23 17:33:32,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 6574 treesize of output 1336 [2021-11-23 17:33:32,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:32,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1336 treesize of output 1266 [2021-11-23 17:33:32,498 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:33:32,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1952 treesize of output 1946 [2021-11-23 17:33:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:33:35,989 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:33:35,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973873347] [2021-11-23 17:33:35,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973873347] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:33:35,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2081048865] [2021-11-23 17:33:35,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:33:35,990 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 17:33:35,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 17:33:36,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 17:33:36,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-23 17:33:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:33:36,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 17:33:36,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:33:38,300 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 17:33:38,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 689 treesize of output 677 [2021-11-23 17:33:38,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:38,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-23 17:33:39,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:39,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:33:39,401 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 17:33:39,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2021-11-23 17:33:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:43,619 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 17:33:43,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 44 [2021-11-23 17:33:47,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:47,363 INFO L354 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2021-11-23 17:33:47,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 54 [2021-11-23 17:33:51,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:51,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:51,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:51,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:51,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 65 [2021-11-23 17:33:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:55,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 77 [2021-11-23 17:33:58,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:58,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:58,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:33:58,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 101 [2021-11-23 17:34:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:34:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:34:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:34:01,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 126 [2021-11-23 17:34:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:34:01,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:34:05,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:05,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,674 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 17:34:06,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 79 [2021-11-23 17:34:06,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:34:06,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,799 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 17:34:06,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 3000 treesize of output 643 [2021-11-23 17:34:06,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:06,863 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 643 treesize of output 603 [2021-11-23 17:34:06,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 119 [2021-11-23 17:34:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:34:08,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2081048865] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:34:08,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007241316] [2021-11-23 17:34:08,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:34:08,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 17:34:08,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:34:08,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 17:34:08,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 17:34:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:34:08,436 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 17:34:08,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:34:08,520 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 17:34:08,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 313 treesize of output 305 [2021-11-23 17:34:08,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:08,800 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 17:34:08,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2021-11-23 17:34:09,381 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:34:09,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2021-11-23 17:34:11,952 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:34:11,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 41 [2021-11-23 17:34:13,579 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:34:13,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 51 [2021-11-23 17:34:15,092 INFO L354 Elim1Store]: treesize reduction 37, result has 26.0 percent of original size [2021-11-23 17:34:15,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 66 [2021-11-23 17:34:17,125 INFO L354 Elim1Store]: treesize reduction 37, result has 26.0 percent of original size [2021-11-23 17:34:17,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 79 [2021-11-23 17:34:19,725 INFO L354 Elim1Store]: treesize reduction 37, result has 26.0 percent of original size [2021-11-23 17:34:19,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 105 [2021-11-23 17:34:21,564 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:34:21,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 134 [2021-11-23 17:34:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:34:21,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:34:25,767 INFO L244 Elim1Store]: Index analysis took 507 ms [2021-11-23 17:34:25,947 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-23 17:34:25,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1119 treesize of output 1099 [2021-11-23 17:34:25,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:25,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:25,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:25,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:25,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:25,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:25,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:34:26,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,103 INFO L354 Elim1Store]: treesize reduction 24, result has 64.2 percent of original size [2021-11-23 17:34:26,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 6574 treesize of output 1336 [2021-11-23 17:34:26,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:34:26,156 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 1336 treesize of output 1266 [2021-11-23 17:34:26,201 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:34:26,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1952 treesize of output 1946 [2021-11-23 17:34:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:34:26,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007241316] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:34:26,275 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 17:34:26,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 18, 18, 19, 19] total 65 [2021-11-23 17:34:26,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034586464] [2021-11-23 17:34:26,276 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 17:34:26,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-11-23 17:34:26,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:34:26,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-11-23 17:34:26,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=701, Invalid=3452, Unknown=7, NotChecked=0, Total=4160 [2021-11-23 17:34:26,285 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 65 states, 65 states have (on average 1.7384615384615385) internal successors, (113), 65 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:34:35,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:35:01,122 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 105 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 17:35:03,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:35:28,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:35:30,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 17:35:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:35:59,842 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2021-11-23 17:35:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-23 17:35:59,843 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 1.7384615384615385) internal successors, (113), 65 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-23 17:35:59,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:35:59,846 INFO L225 Difference]: With dead ends: 82 [2021-11-23 17:35:59,846 INFO L226 Difference]: Without dead ends: 76 [2021-11-23 17:35:59,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2193 ImplicationChecksByTransitivity, 192.8s TimeCoverageRelationStatistics Valid=814, Invalid=4426, Unknown=16, NotChecked=0, Total=5256 [2021-11-23 17:35:59,851 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 28 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 192 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2021-11-23 17:35:59,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 227 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 179 Invalid, 0 Unknown, 192 Unchecked, 23.4s Time] [2021-11-23 17:35:59,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-23 17:35:59,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 63. [2021-11-23 17:35:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 62 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:35:59,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 76 transitions. [2021-11-23 17:35:59,871 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 76 transitions. Word has length 31 [2021-11-23 17:35:59,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:35:59,872 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 76 transitions. [2021-11-23 17:35:59,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.7384615384615385) internal successors, (113), 65 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:35:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2021-11-23 17:35:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 17:35:59,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:35:59,875 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:35:59,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-23 17:36:00,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-23 17:36:00,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 17:36:00,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 17:36:00,483 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:36:00,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:36:00,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1839245574, now seen corresponding path program 2 times [2021-11-23 17:36:00,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:36:00,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199446144] [2021-11-23 17:36:00,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 17:36:00,485 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:36:00,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:36:00,487 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:36:00,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 17:36:00,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 17:36:00,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 17:36:00,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 17:36:00,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:36:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 17:36:01,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:36:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 17:36:01,346 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:36:01,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199446144] [2021-11-23 17:36:01,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199446144] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:36:01,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1890483342] [2021-11-23 17:36:01,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 17:36:01,347 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 17:36:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 17:36:01,350 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 17:36:01,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-23 17:36:01,589 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 17:36:01,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 17:36:01,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 17:36:01,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:36:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 17:36:01,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:36:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 17:36:01,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1890483342] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:36:01,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765168019] [2021-11-23 17:36:01,952 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 17:36:01,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 17:36:01,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:36:01,953 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 17:36:01,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 17:36:02,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 17:36:02,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 17:36:02,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 17:36:02,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:36:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 17:36:02,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:36:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 17:36:02,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765168019] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:36:02,492 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 17:36:02,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9, 7, 8, 7] total 17 [2021-11-23 17:36:02,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243481303] [2021-11-23 17:36:02,492 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 17:36:02,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-23 17:36:02,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:36:02,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-23 17:36:02,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-11-23 17:36:02,495 INFO L87 Difference]: Start difference. First operand 63 states and 76 transitions. Second operand has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:36:03,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:36:03,709 INFO L93 Difference]: Finished difference Result 138 states and 167 transitions. [2021-11-23 17:36:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 17:36:03,710 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-23 17:36:03,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:36:03,711 INFO L225 Difference]: With dead ends: 138 [2021-11-23 17:36:03,711 INFO L226 Difference]: Without dead ends: 75 [2021-11-23 17:36:03,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2021-11-23 17:36:03,713 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 140 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 17:36:03,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 36 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 17:36:03,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-23 17:36:03,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 64. [2021-11-23 17:36:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 63 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:36:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2021-11-23 17:36:03,729 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 33 [2021-11-23 17:36:03,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:36:03,729 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2021-11-23 17:36:03,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 17 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:36:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2021-11-23 17:36:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 17:36:03,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:36:03,732 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:36:03,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-23 17:36:03,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-23 17:36:04,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 17:36:04,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 17:36:04,336 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:36:04,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:36:04,336 INFO L85 PathProgramCache]: Analyzing trace with hash 447877832, now seen corresponding path program 3 times [2021-11-23 17:36:04,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:36:04,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381921815] [2021-11-23 17:36:04,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 17:36:04,337 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:36:04,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:36:04,338 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:36:04,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-23 17:36:04,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-23 17:36:04,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 17:36:04,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 17:36:04,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:36:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 17:36:04,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:36:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 17:36:05,382 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:36:05,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381921815] [2021-11-23 17:36:05,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381921815] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:36:05,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1461950046] [2021-11-23 17:36:05,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 17:36:05,382 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 17:36:05,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 17:36:05,383 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 17:36:05,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-23 17:36:05,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-23 17:36:05,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 17:36:05,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 17:36:05,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:36:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 17:36:05,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:36:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 17:36:06,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1461950046] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:36:06,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556129615] [2021-11-23 17:36:06,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 17:36:06,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 17:36:06,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:36:06,196 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 17:36:06,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-23 17:36:06,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-23 17:36:06,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 17:36:06,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 17:36:06,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:36:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 17:36:06,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:36:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 17:36:06,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556129615] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:36:06,842 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-23 17:36:06,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9, 7, 8, 7] total 27 [2021-11-23 17:36:06,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974922640] [2021-11-23 17:36:06,842 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-23 17:36:06,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-23 17:36:06,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:36:06,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-23 17:36:06,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2021-11-23 17:36:06,845 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:36:08,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:36:08,471 INFO L93 Difference]: Finished difference Result 140 states and 171 transitions. [2021-11-23 17:36:08,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 17:36:08,472 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-23 17:36:08,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:36:08,473 INFO L225 Difference]: With dead ends: 140 [2021-11-23 17:36:08,473 INFO L226 Difference]: Without dead ends: 96 [2021-11-23 17:36:08,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=410, Invalid=1072, Unknown=0, NotChecked=0, Total=1482 [2021-11-23 17:36:08,476 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 431 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 17:36:08,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 27 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 17:36:08,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-23 17:36:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 84. [2021-11-23 17:36:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.1325301204819278) internal successors, (94), 83 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:36:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2021-11-23 17:36:08,511 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 35 [2021-11-23 17:36:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:36:08,512 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2021-11-23 17:36:08,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:36:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2021-11-23 17:36:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 17:36:08,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:36:08,523 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:36:08,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-23 17:36:08,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-23 17:36:08,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-23 17:36:09,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt [2021-11-23 17:36:09,140 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:36:09,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:36:09,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1410382416, now seen corresponding path program 4 times [2021-11-23 17:36:09,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:36:09,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134583046] [2021-11-23 17:36:09,141 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 17:36:09,141 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:36:09,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:36:09,142 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:36:09,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-23 17:36:09,649 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 17:36:09,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 17:36:09,665 WARN L261 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-23 17:36:09,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:36:09,823 INFO L354 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2021-11-23 17:36:09,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 385 treesize of output 386 [2021-11-23 17:36:10,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:10,169 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 17:36:10,170 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 1 case distinctions, treesize of input 18 treesize of output 18 [2021-11-23 17:36:10,512 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:36:10,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2021-11-23 17:36:11,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:11,084 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:36:11,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 44 [2021-11-23 17:36:12,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:12,464 INFO L354 Elim1Store]: treesize reduction 54, result has 44.3 percent of original size [2021-11-23 17:36:12,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 82 [2021-11-23 17:36:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:13,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:13,357 INFO L354 Elim1Store]: treesize reduction 88, result has 23.5 percent of original size [2021-11-23 17:36:13,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 74 [2021-11-23 17:36:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:14,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:14,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:14,747 INFO L354 Elim1Store]: treesize reduction 126, result has 28.4 percent of original size [2021-11-23 17:36:14,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 104 [2021-11-23 17:36:15,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:15,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:15,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:15,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:15,960 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-23 17:36:15,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 69 treesize of output 96 [2021-11-23 17:36:17,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:17,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:17,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:17,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:17,837 INFO L354 Elim1Store]: treesize reduction 458, result has 12.9 percent of original size [2021-11-23 17:36:17,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 129 treesize of output 127 [2021-11-23 17:36:18,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:18,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:19,305 INFO L354 Elim1Store]: treesize reduction 460, result has 12.5 percent of original size [2021-11-23 17:36:19,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 139 treesize of output 131 [2021-11-23 17:36:20,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:20,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:20,985 INFO L354 Elim1Store]: treesize reduction 516, result has 8.8 percent of original size [2021-11-23 17:36:20,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 179 treesize of output 139 [2021-11-23 17:36:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:21,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:21,953 INFO L354 Elim1Store]: treesize reduction 37, result has 26.0 percent of original size [2021-11-23 17:36:21,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 187 treesize of output 161 [2021-11-23 17:36:23,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:23,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:23,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:36:23,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:23,141 INFO L354 Elim1Store]: treesize reduction 37, result has 26.0 percent of original size [2021-11-23 17:36:23,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 291 treesize of output 261 [2021-11-23 17:36:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:24,119 INFO L354 Elim1Store]: treesize reduction 37, result has 26.0 percent of original size [2021-11-23 17:36:24,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 473 treesize of output 447 [2021-11-23 17:36:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:36:25,129 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-23 17:36:25,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 855 treesize of output 801 [2021-11-23 17:36:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:36:25,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 17:42:40,723 WARN L838 $PredicateComparison]: unable to prove that (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse5 (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd |c_ULTIMATE.start_main_~b~0#1.offset| (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32))) (_ bv1 32))))) (store .cse21 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse21 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse19 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse20 (bvadd (concat (select .cse19 .cse3) (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse18 ((_ extract 63 32) .cse20))) (let ((.cse16 (store (store .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse20)) .cse3 .cse18))) (let ((.cse17 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse18 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse15 ((_ extract 63 32) .cse17))) (let ((.cse13 (store (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse17)) .cse3 .cse15))) (let ((.cse14 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)) (concat .cse15 (select .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse12 ((_ extract 63 32) .cse14))) (let ((.cse10 (store (store .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse14)) .cse3 .cse12))) (let ((.cse11 (bvadd (concat .cse12 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) is different from false [2021-11-23 17:42:42,735 WARN L860 $PredicateComparison]: unable to prove that (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse5 (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd |c_ULTIMATE.start_main_~b~0#1.offset| (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32))) (_ bv1 32))))) (store .cse21 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse21 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse19 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse20 (bvadd (concat (select .cse19 .cse3) (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse18 ((_ extract 63 32) .cse20))) (let ((.cse16 (store (store .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse20)) .cse3 .cse18))) (let ((.cse17 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse18 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse15 ((_ extract 63 32) .cse17))) (let ((.cse13 (store (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse17)) .cse3 .cse15))) (let ((.cse14 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)) (concat .cse15 (select .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse12 ((_ extract 63 32) .cse14))) (let ((.cse10 (store (store .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse14)) .cse3 .cse12))) (let ((.cse11 (bvadd (concat .cse12 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) is different from true [2021-11-23 17:42:48,002 WARN L838 $PredicateComparison]: unable to prove that (bvsle (let ((.cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse4 (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset| (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32))) (_ bv1 32))))) (store .cse21 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse21 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse5 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse19 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse20 (bvadd (concat (select .cse19 .cse3) (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select .cse4 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse18 ((_ extract 63 32) .cse20))) (let ((.cse16 (store (store .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse20)) .cse3 .cse18))) (let ((.cse17 (bvadd (concat .cse18 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse15 ((_ extract 63 32) .cse17))) (let ((.cse13 (store (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse17)) .cse3 .cse15))) (let ((.cse14 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)) (concat .cse15 (select .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse12 ((_ extract 63 32) .cse14))) (let ((.cse10 (store (store .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse14)) .cse3 .cse12))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (concat .cse12 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))))) (let ((.cse6 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse6))) (let ((.cse2 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse5)) (concat .cse6 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) is different from false [2021-11-23 17:42:55,481 WARN L838 $PredicateComparison]: unable to prove that (bvsle (let ((.cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse4 (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse22 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd |c_ULTIMATE.start_main_~b~0#1.offset| .cse22) (_ bv1 32)) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset| .cse22) (_ bv1 32)))))) (store .cse21 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse21 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse5 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse19 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse20 (bvadd (concat (select .cse19 .cse3) (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select .cse4 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse18 ((_ extract 63 32) .cse20))) (let ((.cse16 (store (store .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse20)) .cse3 .cse18))) (let ((.cse17 (bvadd (concat .cse18 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse15 ((_ extract 63 32) .cse17))) (let ((.cse13 (store (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse17)) .cse3 .cse15))) (let ((.cse14 (bvadd (concat .cse15 (select .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse12 ((_ extract 63 32) .cse14))) (let ((.cse10 (store (store .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse14)) .cse3 .cse12))) (let ((.cse11 (bvadd (concat .cse12 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse6 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse6))) (let ((.cse2 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse5)) (concat .cse6 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) is different from false [2021-11-23 17:42:57,494 WARN L860 $PredicateComparison]: unable to prove that (bvsle (let ((.cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|))) (let ((.cse4 (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (let ((.cse22 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd |c_ULTIMATE.start_main_~b~0#1.offset| .cse22) (_ bv1 32)) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset| .cse22) (_ bv1 32)))))) (store .cse21 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse21 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse5 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse19 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse20 (bvadd (concat (select .cse19 .cse3) (select .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select .cse4 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse18 ((_ extract 63 32) .cse20))) (let ((.cse16 (store (store .cse19 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse20)) .cse3 .cse18))) (let ((.cse17 (bvadd (concat .cse18 (select .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse16) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse15 ((_ extract 63 32) .cse17))) (let ((.cse13 (store (store .cse16 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse17)) .cse3 .cse15))) (let ((.cse14 (bvadd (concat .cse15 (select .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse12 ((_ extract 63 32) .cse14))) (let ((.cse10 (store (store .cse13 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse14)) .cse3 .cse12))) (let ((.cse11 (bvadd (concat .cse12 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse6 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse6))) (let ((.cse2 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse5)) (concat .cse6 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) is different from true [2021-11-23 17:43:03,332 WARN L838 $PredicateComparison]: unable to prove that (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse12 (_ bv1 32))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse13))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12)) (concat .cse13 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) is different from false [2021-11-23 17:43:05,341 WARN L860 $PredicateComparison]: unable to prove that (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse12 (_ bv1 32))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse13))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12)) (concat .cse13 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) is different from true [2021-11-23 17:43:14,517 WARN L838 $PredicateComparison]: unable to prove that (or (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse12 (_ bv1 32))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse13))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12)) (concat .cse13 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) is different from false [2021-11-23 17:43:16,530 WARN L860 $PredicateComparison]: unable to prove that (or (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse12 (_ bv1 32))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse13))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12)) (concat .cse13 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) is different from true [2021-11-23 17:43:26,597 WARN L838 $PredicateComparison]: unable to prove that (or (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse12 (_ bv1 32))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse13))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12)) (concat .cse13 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) is different from false [2021-11-23 17:43:42,631 WARN L838 $PredicateComparison]: unable to prove that (or (not (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)) |c_ULTIMATE.start_main_~a~0#1.offset|) (_ bv1 32))))) (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse12 (_ bv1 32)))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse13))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12)) (concat .cse13 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) is different from false [2021-11-23 17:43:44,641 WARN L860 $PredicateComparison]: unable to prove that (or (not (bvslt |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)) |c_ULTIMATE.start_main_~a~0#1.offset|) (_ bv1 32))))) (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse12 (_ bv1 32)))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse13))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12)) (concat .cse13 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32)))) (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) is different from true [2021-11-23 17:43:57,208 WARN L838 $PredicateComparison]: unable to prove that (or (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) c_~N~0) (not (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse13 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)) |c_ULTIMATE.start_main_~a~0#1.offset|) (_ bv1 32))))) (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse13 (_ bv1 32)))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)) (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse12 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse12))) (let ((.cse11 (bvadd (concat .cse12 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse13))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32))))) is different from false [2021-11-23 17:43:59,219 WARN L860 $PredicateComparison]: unable to prove that (or (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) c_~N~0) (not (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) (bvsle (let ((.cse6 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse13 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse5 (let ((.cse22 (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)) |c_ULTIMATE.start_main_~a~0#1.offset|) (_ bv1 32))))) (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse13 (_ bv1 32)))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse6 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd ((_ sign_extend 32) (select (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|))) (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|)) (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse12 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse12))) (let ((.cse11 (bvadd (concat .cse12 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse13))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|)) (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse4 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse4))) (let ((.cse2 (bvadd (concat .cse4 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse5 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse6))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32))))) is different from true [2021-11-23 17:44:14,682 WARN L860 $PredicateComparison]: unable to prove that (or (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv2 32)) c_~N~0) (not (bvslt (bvadd |c_ULTIMATE.start_main_~i~0#1| (_ bv1 32)) c_~N~0)) (bvsle (let ((.cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~c~0#1.offset|)) (.cse12 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse4 (let ((.cse22 (let ((.cse23 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse24 (bvmul |c_ULTIMATE.start_main_~i~0#1| (_ bv4 32)))) (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|) (_ bv1 32)) (bvadd (_ bv4 32) .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|) (_ bv1 32)))))) (store .cse23 |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select .cse23 |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset| (_ bv1 32)) .cse12 (_ bv1 32)))))) (store .cse22 |c_ULTIMATE.start_main_~c~0#1.base| (store (store (select .cse22 |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset| (_ bv1 32)) .cse5 (_ bv1 32)))))) (let ((.cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse20 (select .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse21 (bvadd (concat (select .cse20 .cse3) (select .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select .cse4 |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))) (let ((.cse19 ((_ extract 63 32) .cse21))) (let ((.cse17 (store (store .cse20 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse21)) .cse3 .cse19))) (let ((.cse18 (bvadd (concat .cse19 (select .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse17) |c_ULTIMATE.start_main_~a~0#1.base|) (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (let ((.cse16 ((_ extract 63 32) .cse18))) (let ((.cse14 (store (store .cse17 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse18)) .cse3 .cse16))) (let ((.cse15 (bvadd (concat .cse16 (select .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (let ((.cse13 ((_ extract 63 32) .cse15))) (let ((.cse10 (store (store .cse14 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse15)) .cse3 .cse13))) (let ((.cse11 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12)) (concat .cse13 (select .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse9 ((_ extract 63 32) .cse11))) (let ((.cse7 (store (store .cse10 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse11)) .cse3 .cse9))) (let ((.cse8 (bvadd (concat .cse9 (select .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse7) |c_ULTIMATE.start_main_~c~0#1.base|) |c_ULTIMATE.start_main_~c~0#1.offset|))))) (let ((.cse6 ((_ extract 63 32) .cse8))) (let ((.cse1 (store (store .cse7 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse8)) .cse3 .cse6))) (let ((.cse2 (bvadd ((_ sign_extend 32) (select (select (store .cse4 |c_ULTIMATE.start_main_~#sum~0#1.base| .cse1) |c_ULTIMATE.start_main_~c~0#1.base|) .cse5)) (concat .cse6 (select .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) (let ((.cse0 ((_ extract 63 32) .cse2))) (concat .cse0 (select (store (store .cse1 |c_ULTIMATE.start_main_~#sum~0#1.offset| ((_ extract 31 0) .cse2)) .cse3 .cse0) |c_ULTIMATE.start_main_~#sum~0#1.offset|)))))))))))))))))))))) ((_ sign_extend 32) (bvmul c_~N~0 (_ bv3 32))))) is different from true [2021-11-23 17:44:15,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:15,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:16,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:16,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:44:20,731 INFO L244 Elim1Store]: Index analysis took 1115 ms [2021-11-23 17:44:20,739 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 17:44:20,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 1 [2021-11-23 17:44:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 4 times theorem prover too weak. 0 trivial. 8 not checked. [2021-11-23 17:44:20,750 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:44:20,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134583046] [2021-11-23 17:44:20,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2134583046] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 17:44:20,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2045888934] [2021-11-23 17:44:20,750 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 17:44:20,750 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-23 17:44:20,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 [2021-11-23 17:44:20,752 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-23 17:44:20,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057df07c-bf02-481d-8e2a-1aab85daff88/bin/utaipan-fb15Y9Yzbl/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-23 17:44:21,161 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 17:44:21,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 17:44:21,167 WARN L261 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-23 17:44:21,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:44:34,239 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 17:44:34,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 535 treesize of output 525 [2021-11-23 17:44:34,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:44:34,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-23 17:44:37,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:44:37,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:37,899 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 17:44:37,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2021-11-23 17:44:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:44:44,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:44,085 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 17:44:44,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 44 [2021-11-23 17:44:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:44:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:44:54,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:54,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:44:54,969 INFO L354 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2021-11-23 17:44:54,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 60 [2021-11-23 17:45:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:02,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:02,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:02,369 INFO L354 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2021-11-23 17:45:02,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 64 [2021-11-23 17:45:08,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:08,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:08,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:08,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:08,804 INFO L354 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2021-11-23 17:45:08,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 82 [2021-11-23 17:45:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:15,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:15,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:15,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:15,645 INFO L354 Elim1Store]: treesize reduction 59, result has 13.2 percent of original size [2021-11-23 17:45:15,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 69 treesize of output 86 [2021-11-23 17:45:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:20,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:20,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:20,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:20,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:20,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:20,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:20,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:21,071 INFO L354 Elim1Store]: treesize reduction 190, result has 21.8 percent of original size [2021-11-23 17:45:21,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 5 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 129 treesize of output 105 [2021-11-23 17:45:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:25,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:25,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:25,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 111 [2021-11-23 17:45:34,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:34,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:34,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:34,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:34,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 139 [2021-11-23 17:45:40,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:40,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:40,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:40,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:40,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 181 [2021-11-23 17:45:48,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:48,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:48,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:48,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 17:45:48,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:48,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 17:45:48,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 345 treesize of output 281