./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:23:12,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:23:12,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:23:12,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:23:12,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:23:12,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:23:12,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:23:12,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:23:12,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:23:12,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:23:12,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:23:12,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:23:12,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:23:12,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:23:12,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:23:12,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:23:12,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:23:12,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:23:12,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:23:12,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:23:12,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:23:12,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:23:12,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:23:12,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:23:12,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:23:12,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:23:12,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:23:12,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:23:12,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:23:12,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:23:12,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:23:12,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:23:12,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:23:12,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:23:12,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:23:12,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:23:12,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:23:12,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:23:12,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:23:12,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:23:12,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:23:12,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:23:12,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:23:12,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:23:12,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:23:12,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:23:12,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:23:12,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:23:12,390 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:23:12,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:23:12,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:23:12,390 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:23:12,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:23:12,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:23:12,391 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:23:12,395 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:23:12,396 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:23:12,396 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:23:12,396 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:23:12,396 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:23:12,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:23:12,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:23:12,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:23:12,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:23:12,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:23:12,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:23:12,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:23:12,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:23:12,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:23:12,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:23:12,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:23:12,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:23:12,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:23:12,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:23:12,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:12,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:23:12,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:23:12,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:23:12,405 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:23:12,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:23:12,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:23:12,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:23:12,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:23:12,405 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d48e7f91c207323ca4789c990d64e958c1524faa33e5de2c1f0c6fd7803f4f2e [2021-11-25 18:23:12,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:23:12,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:23:12,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:23:12,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:23:12,699 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:23:12,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2021-11-25 18:23:12,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/data/215c066bb/628359a6f74b44a0a3658fedfd58f0d3/FLAG701151625 [2021-11-25 18:23:13,237 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:23:13,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i [2021-11-25 18:23:13,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/data/215c066bb/628359a6f74b44a0a3658fedfd58f0d3/FLAG701151625 [2021-11-25 18:23:13,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/data/215c066bb/628359a6f74b44a0a3658fedfd58f0d3 [2021-11-25 18:23:13,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:23:13,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:23:13,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:13,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:23:13,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:23:13,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381fe685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13, skipping insertion in model container [2021-11-25 18:23:13,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:23:13,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:23:13,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2021-11-25 18:23:13,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:13,788 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:23:13,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_cond_init.i[999,1012] [2021-11-25 18:23:13,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:13,820 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:23:13,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13 WrapperNode [2021-11-25 18:23:13,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:13,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:13,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:23:13,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:23:13,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,858 INFO L137 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2021-11-25 18:23:13,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:13,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:23:13,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:23:13,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:23:13,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:23:13,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:23:13,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:23:13,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:23:13,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (1/1) ... [2021-11-25 18:23:13,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:13,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:13,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:23:14,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:23:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:23:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:23:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:23:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:23:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:23:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:23:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:23:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:23:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:23:14,156 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:23:14,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:23:14,326 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:23:14,381 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:23:14,382 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 18:23:14,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:14 BoogieIcfgContainer [2021-11-25 18:23:14,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:23:14,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:23:14,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:23:14,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:23:14,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:23:13" (1/3) ... [2021-11-25 18:23:14,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d9c1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:23:14, skipping insertion in model container [2021-11-25 18:23:14,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:13" (2/3) ... [2021-11-25 18:23:14,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d9c1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:23:14, skipping insertion in model container [2021-11-25 18:23:14,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:14" (3/3) ... [2021-11-25 18:23:14,394 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_cond_init.i [2021-11-25 18:23:14,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:23:14,399 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:23:14,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:23:14,457 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:23:14,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:23:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:14,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 18:23:14,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:14,478 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-25 18:23:14,478 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:23:14,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:14,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1600961111, now seen corresponding path program 1 times [2021-11-25 18:23:14,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:14,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818078053] [2021-11-25 18:23:14,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:14,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:14,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:14,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818078053] [2021-11-25 18:23:14,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818078053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:14,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:14,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:23:14,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869334534] [2021-11-25 18:23:14,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:14,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:23:14,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:14,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:23:14,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:14,751 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:14,798 INFO L93 Difference]: Finished difference Result 26 states and 35 transitions. [2021-11-25 18:23:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:23:14,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-25 18:23:14,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:14,808 INFO L225 Difference]: With dead ends: 26 [2021-11-25 18:23:14,809 INFO L226 Difference]: Without dead ends: 17 [2021-11-25 18:23:14,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:14,816 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:14,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:23:14,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-25 18:23:14,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 10. [2021-11-25 18:23:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-25 18:23:14,849 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 6 [2021-11-25 18:23:14,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:14,850 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-25 18:23:14,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-25 18:23:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 18:23:14,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:14,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:14,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:23:14,852 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:23:14,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:14,853 INFO L85 PathProgramCache]: Analyzing trace with hash 2081495740, now seen corresponding path program 1 times [2021-11-25 18:23:14,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:14,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471573414] [2021-11-25 18:23:14,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:14,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:14,958 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:14,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471573414] [2021-11-25 18:23:14,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471573414] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:23:14,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474812517] [2021-11-25 18:23:14,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:14,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:14,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:14,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:14,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d7f8eb-60f6-4229-91ac-1fbf680fc728/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:23:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:15,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:23:15,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:15,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:23:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:15,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474812517] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:23:15,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [455864272] [2021-11-25 18:23:15,220 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-25 18:23:15,220 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:23:15,235 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:23:15,241 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:23:15,241 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:23:15,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-25 18:23:15,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-25 18:23:15,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 152 [2021-11-25 18:23:15,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 136 [2021-11-25 18:23:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 102 [2021-11-25 18:23:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,890 INFO L354 Elim1Store]: treesize reduction 40, result has 48.1 percent of original size [2021-11-25 18:23:15,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 95 treesize of output 141 [2021-11-25 18:23:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,135 INFO L354 Elim1Store]: treesize reduction 108, result has 30.3 percent of original size [2021-11-25 18:23:16,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 97 treesize of output 152 [2021-11-25 18:23:16,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 27 treesize of output 33 [2021-11-25 18:23:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 17 [2021-11-25 18:23:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-25 18:23:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,638 INFO L354 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2021-11-25 18:23:16,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2021-11-25 18:23:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-25 18:23:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:16,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-25 18:23:16,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:16,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:16,997 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-25 18:23:17,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:17,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:17,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:17,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-25 18:23:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 33 [2021-11-25 18:23:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 33 [2021-11-25 18:23:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 41 [2021-11-25 18:23:17,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 33 [2021-11-25 18:23:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,502 INFO L354 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2021-11-25 18:23:17,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 56 [2021-11-25 18:23:17,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:17,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 30 [2021-11-25 18:23:18,327 INFO L354 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2021-11-25 18:23:18,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 1050 treesize of output 934 [2021-11-25 18:23:18,794 INFO L354 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2021-11-25 18:23:18,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 1329 treesize of output 1284 [2021-11-25 18:23:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:18,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2021-11-25 18:23:18,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:18,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2021-11-25 18:23:18,882 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 18:23:18,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 508 treesize of output 496 [2021-11-25 18:23:18,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:18,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 483 treesize of output 471 [2021-11-25 18:23:18,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:18,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:18,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:18,988 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:19,062 INFO L354 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2021-11-25 18:23:19,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 638 treesize of output 596 [2021-11-25 18:23:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2021-11-25 18:23:19,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-11-25 18:23:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,182 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:23:19,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 652 treesize of output 572 [2021-11-25 18:23:19,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 132 [2021-11-25 18:23:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 128 [2021-11-25 18:23:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 116 [2021-11-25 18:23:19,481 INFO L354 Elim1Store]: treesize reduction 40, result has 46.7 percent of original size [2021-11-25 18:23:19,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 110 treesize of output 137 [2021-11-25 18:23:19,520 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-25 18:23:19,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 100 [2021-11-25 18:23:19,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-25 18:23:19,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:19,660 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-25 18:23:19,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:19,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:19,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 3 [2021-11-25 18:23:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:19,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:19,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 18:23:19,851 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:19,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:19,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:23:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:19,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 18:23:19,968 INFO L354 Elim1Store]: treesize reduction 21, result has 50.0 percent of original size [2021-11-25 18:23:19,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 103