./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba --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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:17:52,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:17:52,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:17:52,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:17:52,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:17:52,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:17:52,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:17:52,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:17:52,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:17:52,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:17:52,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:17:52,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:17:52,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:17:52,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:17:52,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:17:52,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:17:52,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:17:52,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:17:52,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:17:52,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:17:52,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:17:52,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:17:52,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:17:52,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:17:52,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:17:52,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:17:52,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:17:52,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:17:52,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:17:52,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:17:52,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:17:52,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:17:52,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:17:52,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:17:52,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:17:52,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:17:52,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:17:52,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:17:52,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:17:52,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:17:52,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:17:52,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:17:52,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:17:52,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:17:52,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:17:52,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:17:52,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:17:52,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:17:52,415 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:17:52,416 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:17:52,416 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:17:52,416 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:17:52,418 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:17:52,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:17:52,418 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:17:52,419 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:17:52,419 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:17:52,419 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:17:52,420 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:17:52,420 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:17:52,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:17:52,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:17:52,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:17:52,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:17:52,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:17:52,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:17:52,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:17:52,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:17:52,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:17:52,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:17:52,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:17:52,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:17:52,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:17:52,425 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:17:52,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:17:52,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:17:52,427 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:17:52,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:17:52,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:17:52,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:17:52,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2022-11-22 02:17:52,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:17:52,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:17:52,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:17:52,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:17:52,854 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:17:52,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-22 02:17:56,359 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:17:56,782 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:17:56,794 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2022-11-22 02:17:56,822 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/data/d8d37bd3d/3419e24526ca406dac113d2219b2ec8e/FLAG58c6bf3b0 [2022-11-22 02:17:56,838 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/data/d8d37bd3d/3419e24526ca406dac113d2219b2ec8e [2022-11-22 02:17:56,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:17:56,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:17:56,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:17:56,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:17:56,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:17:56,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:17:56" (1/1) ... [2022-11-22 02:17:56,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8d1f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:56, skipping insertion in model container [2022-11-22 02:17:56,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:17:56" (1/1) ... [2022-11-22 02:17:56,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:17:56,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:17:57,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-22 02:17:57,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:17:57,815 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:17:57,892 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2022-11-22 02:17:57,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:17:58,033 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:17:58,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58 WrapperNode [2022-11-22 02:17:58,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:17:58,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:17:58,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:17:58,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:17:58,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,132 INFO L138 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 350 [2022-11-22 02:17:58,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:17:58,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:17:58,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:17:58,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:17:58,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:17:58,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:17:58,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:17:58,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:17:58,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (1/1) ... [2022-11-22 02:17:58,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:17:58,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:17:58,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:17:58,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:17:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:17:58,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:17:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:17:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:17:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:17:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:17:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:17:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-22 02:17:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:17:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:17:58,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:17:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:17:58,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:17:58,831 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:17:58,835 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:17:59,370 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:17:59,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:17:59,530 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-22 02:17:59,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:17:59 BoogieIcfgContainer [2022-11-22 02:17:59,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:17:59,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:17:59,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:17:59,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:17:59,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:17:56" (1/3) ... [2022-11-22 02:17:59,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6fdc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:17:59, skipping insertion in model container [2022-11-22 02:17:59,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:17:58" (2/3) ... [2022-11-22 02:17:59,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6fdc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:17:59, skipping insertion in model container [2022-11-22 02:17:59,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:17:59" (3/3) ... [2022-11-22 02:17:59,543 INFO L112 eAbstractionObserver]: Analyzing ICFG basename-2.i [2022-11-22 02:17:59,567 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:17:59,567 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:17:59,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:17:59,635 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@777cf8fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:17:59,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:17:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-22 02:17:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 02:17:59,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:17:59,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:17:59,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:17:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:17:59,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1824754057, now seen corresponding path program 1 times [2022-11-22 02:17:59,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:17:59,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13586784] [2022-11-22 02:17:59,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:17:59,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:18:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:18:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:18:00,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:18:00,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13586784] [2022-11-22 02:18:00,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13586784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:18:00,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:18:00,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:18:00,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106286540] [2022-11-22 02:18:00,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:18:00,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:18:00,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:18:00,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:18:00,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:18:00,357 INFO L87 Difference]: Start difference. First operand has 42 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 38 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:18:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:18:00,498 INFO L93 Difference]: Finished difference Result 83 states and 131 transitions. [2022-11-22 02:18:00,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:18:00,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-22 02:18:00,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:18:00,511 INFO L225 Difference]: With dead ends: 83 [2022-11-22 02:18:00,511 INFO L226 Difference]: Without dead ends: 19 [2022-11-22 02:18:00,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:18:00,519 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:18:00,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 02:18:00,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-22 02:18:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-22 02:18:00,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:18:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-22 02:18:00,564 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2022-11-22 02:18:00,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:18:00,564 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-22 02:18:00,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:18:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-22 02:18:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 02:18:00,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:18:00,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:18:00,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:18:00,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:18:00,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:18:00,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1892865227, now seen corresponding path program 1 times [2022-11-22 02:18:00,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:18:00,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605864102] [2022-11-22 02:18:00,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:18:00,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:18:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:18:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:18:00,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:18:00,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605864102] [2022-11-22 02:18:00,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605864102] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:18:00,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124564571] [2022-11-22 02:18:00,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:18:00,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:18:00,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:18:00,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:18:00,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:18:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:18:01,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:18:01,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:18:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:18:01,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:18:01,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:18:01,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124564571] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:18:01,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [449415220] [2022-11-22 02:18:01,149 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2022-11-22 02:18:01,149 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:18:01,153 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:18:01,160 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:18:01,161 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:18:01,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:18:02,003 INFO L321 Elim1Store]: treesize reduction 395, result has 30.1 percent of original size [2022-11-22 02:18:02,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 29 case distinctions, treesize of input 212 treesize of output 350 [2022-11-22 02:18:02,561 INFO L321 Elim1Store]: treesize reduction 48, result has 59.0 percent of original size [2022-11-22 02:18:02,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 249 treesize of output 258 [2022-11-22 02:18:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:03,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:18:03,653 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:03,937 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:03,984 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:04,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:04,565 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:04,864 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:04,894 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:05,482 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:05,621 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:07,001 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:07,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:07,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:18:07,444 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:07,628 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:07,686 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:08,064 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:08,110 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:08,407 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:08,442 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:08,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:08,858 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,064 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,146 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,254 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,313 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,357 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,465 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-22 02:18:09,598 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,825 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:09,927 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:10,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:18:10,328 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:10,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:18:10,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:18:10,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:18:10,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:18:10,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 31 [2022-11-22 02:18:10,533 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:18:10,751 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:10,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-22 02:18:10,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:10,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:18:10,942 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:11,091 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:11,147 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:11,262 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:11,327 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:11,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:11,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-11-22 02:18:11,436 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:11,490 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:11,613 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:11,671 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,078 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,124 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,296 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,343 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,591 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:12,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:12,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:12,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:18:12,786 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,884 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,940 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:12,986 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,252 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,312 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,447 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,492 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,543 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,621 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,701 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,893 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:13,956 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:14,096 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:14,156 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:14,463 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:14,520 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:14,625 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:14,670 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:14,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 30 [2022-11-22 02:18:14,908 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:15,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:15,069 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:16,034 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:16,122 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:16,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 40 [2022-11-22 02:18:16,398 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:16,587 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:16,655 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:16,980 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:17,035 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:17,278 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:17,334 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:32,483 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 02:18:32,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 02:18:32,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-22 02:18:32,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:18:32,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:18:39,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:18:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:39,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:40,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:40,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:47,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 20710 treesize of output 14975 [2022-11-22 02:18:48,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20610 treesize of output 20606 [2022-11-22 02:18:56,579 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:18:56,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:18:56,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-11-22 02:19:00,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:19:01,563 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:19:02,739 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:19:05,228 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:19:11,476 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8378 conjuctions. This might take some time... [2022-11-22 02:20:18,788 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 8378 conjuctions. [2022-11-22 02:20:20,114 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2022-11-22 02:20:21,036 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:20:23,504 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2022-11-22 02:20:30,159 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 8378 conjuctions. This might take some time... [2022-11-22 02:21:38,217 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 8378 conjuctions. [2022-11-22 02:21:39,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2022-11-22 02:21:39,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:21:39,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2022-11-22 02:21:39,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:21:39,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:21:39,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:21:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:39,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-22 02:21:39,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:21:39,707 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:21:39,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 23 [2022-11-22 02:21:39,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:21:39,760 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:21:39,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-22 02:21:39,806 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 02:21:39,819 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:21:40,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [449415220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:21:40,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:21:40,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 3, 4] total 13 [2022-11-22 02:21:40,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591217961] [2022-11-22 02:21:40,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:21:40,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:21:40,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:21:40,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:21:40,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:21:40,668 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 8 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:21:40,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:21:40,980 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-22 02:21:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:21:40,984 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-22 02:21:40,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:21:40,985 INFO L225 Difference]: With dead ends: 30 [2022-11-22 02:21:40,986 INFO L226 Difference]: Without dead ends: 20 [2022-11-22 02:21:40,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-22 02:21:40,989 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:21:40,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 37 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:21:40,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-22 02:21:41,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-22 02:21:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:21:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-11-22 02:21:41,006 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 17 [2022-11-22 02:21:41,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:21:41,006 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-11-22 02:21:41,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:21:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-22 02:21:41,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 02:21:41,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:21:41,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:21:41,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:21:41,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:21:41,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:21:41,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:21:41,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1935921655, now seen corresponding path program 1 times [2022-11-22 02:21:41,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:21:41,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760944576] [2022-11-22 02:21:41,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:21:41,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:21:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:21:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:21:41,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:21:41,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760944576] [2022-11-22 02:21:41,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760944576] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:21:41,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039994458] [2022-11-22 02:21:41,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:21:41,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:21:41,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:21:41,437 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:21:41,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:21:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:21:41,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 02:21:41,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:21:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 02:21:41,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:21:41,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039994458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:21:41,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:21:41,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-22 02:21:41,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056273198] [2022-11-22 02:21:41,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:21:41,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:21:41,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:21:41,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:21:41,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:21:41,745 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:21:41,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:21:41,805 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-22 02:21:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:21:41,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-22 02:21:41,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:21:41,806 INFO L225 Difference]: With dead ends: 33 [2022-11-22 02:21:41,806 INFO L226 Difference]: Without dead ends: 21 [2022-11-22 02:21:41,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:21:41,808 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:21:41,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:21:41,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-22 02:21:41,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-22 02:21:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:21:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-22 02:21:41,832 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 19 [2022-11-22 02:21:41,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:21:41,832 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-22 02:21:41,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:21:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-22 02:21:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 02:21:41,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:21:41,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:21:41,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:21:42,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:21:42,035 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:21:42,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:21:42,035 INFO L85 PathProgramCache]: Analyzing trace with hash 604678066, now seen corresponding path program 1 times [2022-11-22 02:21:42,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:21:42,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552481882] [2022-11-22 02:21:42,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:21:42,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:21:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:21:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:21:42,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:21:42,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552481882] [2022-11-22 02:21:42,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552481882] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:21:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380688050] [2022-11-22 02:21:42,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:21:42,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:21:42,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:21:42,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:21:42,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:21:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:21:42,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:21:42,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:21:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:21:42,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:21:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 02:21:42,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380688050] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:21:42,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [486031250] [2022-11-22 02:21:42,621 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-22 02:21:42,622 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:21:42,622 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:21:42,623 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:21:42,623 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:21:42,964 INFO L321 Elim1Store]: treesize reduction 198, result has 33.6 percent of original size [2022-11-22 02:21:42,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 67 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 22 case distinctions, treesize of input 72 treesize of output 149 [2022-11-22 02:21:42,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 67 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2022-11-22 02:21:43,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:21:43,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 02:21:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 57 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2022-11-22 02:21:43,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-22 02:21:43,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:21:43,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 57 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 190 [2022-11-22 02:21:43,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2022-11-22 02:21:43,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:21:43,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2022-11-22 02:21:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,772 INFO L321 Elim1Store]: treesize reduction 280, result has 15.4 percent of original size [2022-11-22 02:21:43,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 830 treesize of output 769 [2022-11-22 02:21:43,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:43,841 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-22 02:21:43,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 819 treesize of output 826 [2022-11-22 02:21:44,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2022-11-22 02:21:44,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2022-11-22 02:21:44,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:21:44,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2022-11-22 02:21:44,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:21:44,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:21:44,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:21:44,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:21:44,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2022-11-22 02:21:44,545 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:21:44,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 23 [2022-11-22 02:21:44,587 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:21:44,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-22 02:21:44,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 02:21:44,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-22 02:21:44,735 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-22 02:21:44,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-22 02:21:44,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:44,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-22 02:21:44,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:44,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:44,871 INFO L321 Elim1Store]: treesize reduction 28, result has 33.3 percent of original size [2022-11-22 02:21:44,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 60 [2022-11-22 02:21:44,973 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 02:21:44,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-22 02:21:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:45,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:45,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:45,087 INFO L321 Elim1Store]: treesize reduction 64, result has 26.4 percent of original size [2022-11-22 02:21:45,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 264 treesize of output 152 [2022-11-22 02:21:45,151 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 02:21:45,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 77 [2022-11-22 02:21:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:45,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 105 [2022-11-22 02:21:45,292 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-22 02:21:45,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-11-22 02:21:45,334 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-22 02:21:45,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 85 [2022-11-22 02:21:45,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:21:45,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:45,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:45,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:45,691 INFO L321 Elim1Store]: treesize reduction 610, result has 5.3 percent of original size [2022-11-22 02:21:45,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 591 treesize of output 437 [2022-11-22 02:21:45,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:45,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:45,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:45,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:45,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:45,780 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:21:45,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 314 treesize of output 228 [2022-11-22 02:21:45,868 INFO L321 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-11-22 02:21:45,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 199 treesize of output 187 [2022-11-22 02:21:45,996 INFO L321 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-11-22 02:21:45,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 182 treesize of output 219 [2022-11-22 02:21:46,166 INFO L321 Elim1Store]: treesize reduction 44, result has 60.4 percent of original size [2022-11-22 02:21:46,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 191 treesize of output 242 [2022-11-22 02:21:46,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:46,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:46,274 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 02:21:46,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 61 [2022-11-22 02:21:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:46,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:47,051 INFO L321 Elim1Store]: treesize reduction 209, result has 14.0 percent of original size [2022-11-22 02:21:47,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1100 treesize of output 1045 [2022-11-22 02:21:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:47,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:47,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:47,163 INFO L321 Elim1Store]: treesize reduction 154, result has 13.0 percent of original size [2022-11-22 02:21:47,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1100 treesize of output 868 [2022-11-22 02:21:47,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:47,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:47,250 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-22 02:21:47,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 971 treesize of output 973 [2022-11-22 02:21:48,022 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-22 02:21:48,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-11-22 02:21:48,069 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-22 02:21:48,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 85 [2022-11-22 02:21:48,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:21:48,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:48,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:48,314 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:21:48,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 02:21:48,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:48,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:48,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:48,371 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:21:48,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 02:21:48,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:48,429 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:21:48,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 02:21:48,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-22 02:21:48,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2022-11-22 02:21:48,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:48,598 INFO L321 Elim1Store]: treesize reduction 96, result has 39.6 percent of original size [2022-11-22 02:21:48,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 229 treesize of output 170 [2022-11-22 02:21:48,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:48,676 INFO L321 Elim1Store]: treesize reduction 64, result has 42.3 percent of original size [2022-11-22 02:21:48,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 124 [2022-11-22 02:21:48,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-22 02:21:48,858 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-22 02:21:48,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-11-22 02:21:48,906 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-22 02:21:48,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 85 [2022-11-22 02:21:48,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:21:49,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:49,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:49,180 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 02:21:49,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 02:21:49,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-22 02:21:49,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:49,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:49,250 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 02:21:49,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 02:21:49,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:49,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:49,312 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 02:21:49,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 02:21:49,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2022-11-22 02:21:49,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:49,493 INFO L321 Elim1Store]: treesize reduction 108, result has 39.0 percent of original size [2022-11-22 02:21:49,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 244 treesize of output 191 [2022-11-22 02:21:49,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:21:49,580 INFO L321 Elim1Store]: treesize reduction 70, result has 40.2 percent of original size [2022-11-22 02:21:49,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 140 [2022-11-22 02:21:49,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:21:49,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-22 02:21:49,770 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-22 02:21:49,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 130 [2022-11-22 02:21:49,825 INFO L321 Elim1Store]: treesize reduction 32, result has 41.8 percent of original size [2022-11-22 02:21:49,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 85 [2022-11-22 02:21:49,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 02:21:49,869 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 50 for LOIs [2022-11-22 02:21:49,885 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:21:51,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [486031250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:21:51,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:21:51,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 3, 4] total 16 [2022-11-22 02:21:51,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602649079] [2022-11-22 02:21:51,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:21:51,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 02:21:51,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:21:51,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 02:21:51,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-11-22 02:21:51,231 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 11 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:21:51,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:21:51,664 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-22 02:21:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 02:21:51,665 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-22 02:21:51,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:21:51,665 INFO L225 Difference]: With dead ends: 21 [2022-11-22 02:21:51,665 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:21:51,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-11-22 02:21:51,667 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:21:51,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:21:51,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:21:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:21:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:21:51,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:21:51,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-22 02:21:51,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:21:51,670 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:21:51,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 02:21:51,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:21:51,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:21:51,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:21:51,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:21:51,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:21:51,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 02:21:52,559 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1377) no Hoare annotation was computed. [2022-11-22 02:21:52,559 INFO L899 garLoopResultBuilder]: For program point L1357-1(lines 1357 1377) no Hoare annotation was computed. [2022-11-22 02:21:52,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 02:21:52,559 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-11-22 02:21:52,560 INFO L902 garLoopResultBuilder]: At program point L1589-1(line 1589) the Hoare annotation is: true [2022-11-22 02:21:52,560 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (and (<= ~bb_errno~0.base 10) (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2022-11-22 02:21:52,560 INFO L899 garLoopResultBuilder]: For program point L1491(lines 1491 1492) no Hoare annotation was computed. [2022-11-22 02:21:52,560 INFO L899 garLoopResultBuilder]: For program point L1359(lines 1359 1376) no Hoare annotation was computed. [2022-11-22 02:21:52,560 INFO L899 garLoopResultBuilder]: For program point L1362(lines 1362 1375) no Hoare annotation was computed. [2022-11-22 02:21:52,560 INFO L902 garLoopResultBuilder]: At program point L1478(lines 1462 1479) the Hoare annotation is: true [2022-11-22 02:21:52,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 02:21:52,560 INFO L902 garLoopResultBuilder]: At program point L1495(lines 1480 1496) the Hoare annotation is: true [2022-11-22 02:21:52,561 INFO L895 garLoopResultBuilder]: At program point L1611-3(lines 1611 1612) the Hoare annotation is: (and (<= ~bb_errno~0.base 10) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start_main_~argc~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= |ULTIMATE.start_main_~i~4#1| 2147483647) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2022-11-22 02:21:52,561 INFO L899 garLoopResultBuilder]: For program point L1446(lines 1446 1453) no Hoare annotation was computed. [2022-11-22 02:21:52,561 INFO L902 garLoopResultBuilder]: At program point L1446-1(lines 1446 1453) the Hoare annotation is: true [2022-11-22 02:21:52,561 INFO L899 garLoopResultBuilder]: For program point L1364(lines 1364 1374) no Hoare annotation was computed. [2022-11-22 02:21:52,561 INFO L899 garLoopResultBuilder]: For program point L1447-1(lines 1447 1453) no Hoare annotation was computed. [2022-11-22 02:21:52,561 INFO L902 garLoopResultBuilder]: At program point L1447-4(lines 1447 1453) the Hoare annotation is: true [2022-11-22 02:21:52,562 INFO L895 garLoopResultBuilder]: At program point L1596-3(lines 1596 1597) the Hoare annotation is: (and (<= ~bb_errno~0.base 10) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= 10 ~bb_errno~0.base) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= 11 |~#dummy_utmp~0.base|) (= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (<= 0 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (= ~applet_name~0.base 0) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0)) [2022-11-22 02:21:52,562 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1494) no Hoare annotation was computed. [2022-11-22 02:21:52,562 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 1482 1494) no Hoare annotation was computed. [2022-11-22 02:21:52,562 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1450) no Hoare annotation was computed. [2022-11-22 02:21:52,562 INFO L899 garLoopResultBuilder]: For program point L1367(lines 1367 1373) no Hoare annotation was computed. [2022-11-22 02:21:52,563 INFO L902 garLoopResultBuilder]: At program point L1466-3(lines 1466 1477) the Hoare annotation is: true [2022-11-22 02:21:52,563 INFO L895 garLoopResultBuilder]: At program point L1334(lines 1334 1392) the Hoare annotation is: (let ((.cse0 (+ 8 |ULTIMATE.start___main_~argv#1.offset|))) (and (<= ~bb_errno~0.base 10) (= |ULTIMATE.start___main_#in~argv#1.offset| |ULTIMATE.start_main_~argv~0#1.offset|) (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (= |ULTIMATE.start___main_#t~mem41#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start___main_~argv#1.base|) .cse0)) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 10 ~bb_errno~0.base) (<= 0 ~applet_name~0.offset) (not (< |ULTIMATE.start_main_~i~4#1| |ULTIMATE.start_main_~argc~0#1|)) (= |~#bb_errno_location~0.base| 10) (= |ULTIMATE.start___main_~argv#1.base| |ULTIMATE.start___main_#in~argv#1.base|) (<= ~bb_errno~0.offset 0) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (= 11 |~#dummy_utmp~0.base|) (<= ~applet_name~0.offset 0) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (= |ULTIMATE.start___main_#in~argc#1| |ULTIMATE.start_main_~argc~0#1|) (= |ULTIMATE.start___main_~argc#1| |ULTIMATE.start___main_#in~argc#1|) (<= 10 |ULTIMATE.start_main_~i~3#1|) (= |ULTIMATE.start_main_~argv~0#1.base| |ULTIMATE.start___main_#in~argv#1.base|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start___main_~argv#1.base|) .cse0) |ULTIMATE.start___main_#t~mem41#1.base|) (= |ULTIMATE.start___main_#in~argv#1.offset| |ULTIMATE.start___main_~argv#1.offset|) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|))) [2022-11-22 02:21:52,563 INFO L899 garLoopResultBuilder]: For program point L1334-1(lines 1325 1420) no Hoare annotation was computed. [2022-11-22 02:21:52,563 INFO L902 garLoopResultBuilder]: At program point L1615-3(lines 1615 1616) the Hoare annotation is: true [2022-11-22 02:21:52,564 INFO L899 garLoopResultBuilder]: For program point L1351-1(lines 1351 1385) no Hoare annotation was computed. [2022-11-22 02:21:52,564 INFO L899 garLoopResultBuilder]: For program point L1484(lines 1484 1493) no Hoare annotation was computed. [2022-11-22 02:21:52,564 INFO L899 garLoopResultBuilder]: For program point L1501-1(lines 1501 1509) no Hoare annotation was computed. [2022-11-22 02:21:52,564 INFO L902 garLoopResultBuilder]: At program point L1501-3(lines 1501 1509) the Hoare annotation is: true [2022-11-22 02:21:52,564 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1372) no Hoare annotation was computed. [2022-11-22 02:21:52,564 INFO L902 garLoopResultBuilder]: At program point L1501-4(lines 1501 1509) the Hoare annotation is: true [2022-11-22 02:21:52,565 INFO L902 garLoopResultBuilder]: At program point L1419(lines 1324 1420) the Hoare annotation is: true [2022-11-22 02:21:52,565 INFO L899 garLoopResultBuilder]: For program point L1469(lines 1469 1474) no Hoare annotation was computed. [2022-11-22 02:21:52,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1371) no Hoare annotation was computed. [2022-11-22 02:21:52,565 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#bb_errno_location~0.base|) |~#bb_errno_location~0.offset|))) (and (<= ~bb_errno~0.base 10) (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |~#bb_errno_location~0.offset| 0) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= .cse0 2147483647) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 10 ~bb_errno~0.base) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (<= 0 (+ .cse0 2147483648)) (= |~#bb_errno_location~0.base| 10) (<= ~bb_errno~0.offset 0) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (= 11 |~#dummy_utmp~0.base|) (= |#NULL.offset| 0) (= |~#dummy_utmp~0.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (<= 0 ~bb_errno~0.offset) (= |#NULL.base| 0))) [2022-11-22 02:21:52,566 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-11-22 02:21:52,566 INFO L899 garLoopResultBuilder]: For program point L1371(line 1371) no Hoare annotation was computed. [2022-11-22 02:21:52,566 INFO L899 garLoopResultBuilder]: For program point L1338-2(lines 1335 1392) no Hoare annotation was computed. [2022-11-22 02:21:52,566 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true [2022-11-22 02:21:52,566 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-11-22 02:21:52,570 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 02:21:52,572 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:21:52,604 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-22 02:21:52,605 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-22 02:21:52,607 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-22 02:21:52,608 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-22 02:21:52,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:21:52 BoogieIcfgContainer [2022-11-22 02:21:52,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:21:52,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:21:52,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:21:52,611 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:21:52,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:17:59" (3/4) ... [2022-11-22 02:21:52,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:21:52,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-22 02:21:52,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2022-11-22 02:21:52,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-22 02:21:52,649 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-22 02:21:52,650 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 02:21:52,651 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:21:52,652 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:21:52,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((bb_errno <= 10 && argv == argv) && 0 <= argc + 2147483648) && bb_errno_location == 0) && a == 0) && optind == 1) && 1l + argv == #memory_$Pointer$[argv][8 + argv]) && argc <= 2147483647) && 10 <= bb_errno) && 0 <= applet_name) && !(i < argc)) && bb_errno_location == 10) && argv == argv) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && \old(argc) == argc) && argc == \old(argc)) && 10 <= i) && argv == argv) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #memory_$Pointer$[argv][8 + argv] == 1l + argv) && argv == argv) && #NULL == 0) && 0 <= i [2022-11-22 02:21:52,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:21:52,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:21:52,725 INFO L158 Benchmark]: Toolchain (without parser) took 235882.93ms. Allocated memory was 136.3MB in the beginning and 1.0GB in the end (delta: 887.1MB). Free memory was 88.8MB in the beginning and 408.4MB in the end (delta: -319.6MB). Peak memory consumption was 569.6MB. Max. memory is 16.1GB. [2022-11-22 02:21:52,726 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:21:52,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1190.34ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 88.5MB in the beginning and 159.6MB in the end (delta: -71.2MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2022-11-22 02:21:52,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.12ms. Allocated memory is still 213.9MB. Free memory was 159.6MB in the beginning and 155.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:21:52,727 INFO L158 Benchmark]: Boogie Preprocessor took 56.21ms. Allocated memory is still 213.9MB. Free memory was 155.4MB in the beginning and 151.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:21:52,727 INFO L158 Benchmark]: RCFGBuilder took 1343.42ms. Allocated memory is still 213.9MB. Free memory was 151.2MB in the beginning and 98.8MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-22 02:21:52,728 INFO L158 Benchmark]: TraceAbstraction took 233074.35ms. Allocated memory was 213.9MB in the beginning and 1.0GB in the end (delta: 809.5MB). Free memory was 97.7MB in the beginning and 414.7MB in the end (delta: -317.0MB). Peak memory consumption was 491.5MB. Max. memory is 16.1GB. [2022-11-22 02:21:52,728 INFO L158 Benchmark]: Witness Printer took 114.34ms. Allocated memory is still 1.0GB. Free memory was 414.7MB in the beginning and 408.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 02:21:52,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1190.34ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 88.5MB in the beginning and 159.6MB in the end (delta: -71.2MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.12ms. Allocated memory is still 213.9MB. Free memory was 159.6MB in the beginning and 155.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.21ms. Allocated memory is still 213.9MB. Free memory was 155.4MB in the beginning and 151.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1343.42ms. Allocated memory is still 213.9MB. Free memory was 151.2MB in the beginning and 98.8MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 233074.35ms. Allocated memory was 213.9MB in the beginning and 1.0GB in the end (delta: 809.5MB). Free memory was 97.7MB in the beginning and 414.7MB in the end (delta: -317.0MB). Peak memory consumption was 491.5MB. Max. memory is 16.1GB. * Witness Printer took 114.34ms. Allocated memory is still 1.0GB. Free memory was 414.7MB in the beginning and 408.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1371]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 233.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 151 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 67 mSDtfsCounter, 197 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 20 PreInvPairs, 38 NumberOfFragments, 373 HoareAnnotationTreeSize, 20 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 504 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1205 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 9/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 225.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 18, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 34, TOOLS_POST_TIME: 66.6s, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME: 66.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 31.8s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 104, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME: 158.8s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME: 0.3s, DOMAIN_ISBOTTOM_APPLICATIONS: 18, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME: 192.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 192.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 388, DAG_COMPRESSION_RETAINED_NODES: 100, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: (((((((((((((((((((((bb_errno <= 10 && bb_errno_location == 0) && a == 0) && optind == 1) && argc <= 2147483647) && 10 <= bb_errno) && 0 <= applet_name) && 0 <= argc) && 0 <= j) && bb_errno_location == 10) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && i <= 2147483647) && 10 <= i) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #NULL == 0) && 0 <= i - InvariantResult [Line: 1462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1596]: Loop Invariant Derived loop invariant: (((((((((((((bb_errno <= 10 && bb_errno_location == 0) && a == 0) && 10 <= bb_errno) && bb_errno_location == 10) && bb_errno <= 0) && 11 == dummy_utmp) && applet_name == 0) && #NULL == 0) && dummy_utmp == 0) && 0 <= i) && 0 <= unknown-#StackHeapBarrier-unknown) && applet_name == 0) && 0 <= bb_errno) && #NULL == 0 - InvariantResult [Line: 1606]: Loop Invariant Derived loop invariant: (((((((((((((((((((bb_errno <= 10 && 0 <= argc + 2147483648) && bb_errno_location == 0) && a == 0) && optind == 1) && argc <= 2147483647) && 10 <= bb_errno) && 0 <= applet_name) && bb_errno_location == 10) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && 10 <= i) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #NULL == 0) && 0 <= i - InvariantResult [Line: 1447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1334]: Loop Invariant [2022-11-22 02:21:52,746 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-22 02:21:52,747 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-22 02:21:52,748 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-22 02:21:52,748 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((((((((((((((((((bb_errno <= 10 && argv == argv) && 0 <= argc + 2147483648) && bb_errno_location == 0) && a == 0) && optind == 1) && 1l + argv == #memory_$Pointer$[argv][8 + argv]) && argc <= 2147483647) && 10 <= bb_errno) && 0 <= applet_name) && !(i < argc)) && bb_errno_location == 10) && argv == argv) && bb_errno <= 0) && mem_track == 0) && 11 == dummy_utmp) && applet_name <= 0) && #NULL == 0) && dummy_utmp == 0) && argv == 0) && \old(argc) == argc) && argc == \old(argc)) && 10 <= i) && argv == argv) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= bb_errno) && #memory_$Pointer$[argv][8 + argv] == 1l + argv) && argv == argv) && #NULL == 0) && 0 <= i - InvariantResult [Line: 1501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1446]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 02:21:52,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d356ac6-e53f-4231-8c78-78aac5e75405/bin/utaipan-g80aRyZoba/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 Writing output log to file Ultimate.log Result: TRUE