./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P --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 c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:13:41,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:13:41,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:13:41,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:13:41,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:13:41,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:13:41,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:13:41,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:13:41,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:13:41,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:13:41,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:13:41,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:13:41,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:13:41,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:13:41,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:13:41,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:13:41,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:13:41,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:13:41,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:13:41,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:13:41,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:13:41,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:13:41,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:13:41,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:13:41,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:13:41,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:13:41,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:13:41,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:13:41,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:13:41,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:13:41,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:13:41,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:13:41,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:13:41,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:13:41,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:13:41,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:13:41,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:13:41,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:13:41,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:13:41,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:13:41,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:13:41,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:13:41,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:13:41,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:13:41,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:13:41,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:13:41,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:13:41,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:13:41,877 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:13:41,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:13:41,877 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:13:41,877 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:13:41,878 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:13:41,878 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:13:41,878 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:13:41,878 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:13:41,878 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:13:41,879 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:13:41,879 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:13:41,879 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:13:41,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:13:41,880 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:13:41,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:13:41,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:13:41,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:13:41,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:13:41,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:13:41,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:13:41,882 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:13:41,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:13:41,882 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:13:41,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:13:41,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:13:41,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:13:41,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:13:41,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:13:41,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:13:41,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:13:41,886 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:13:41,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:13:41,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:13:41,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:13:41,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:13:41,887 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_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c24ad121bcc9573550d02da9627a07166858762ae4177dec26b10c884148a83b [2021-11-21 01:13:42,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:13:42,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:13:42,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:13:42,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:13:42,293 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:13:42,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2021-11-21 01:13:42,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/data/d7fe39785/dcb522820a014e41b59be0d9f85c63f6/FLAG70e2be9c0 [2021-11-21 01:13:43,068 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:13:43,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i [2021-11-21 01:13:43,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/data/d7fe39785/dcb522820a014e41b59be0d9f85c63f6/FLAG70e2be9c0 [2021-11-21 01:13:43,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/data/d7fe39785/dcb522820a014e41b59be0d9f85c63f6 [2021-11-21 01:13:43,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:13:43,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:13:43,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:13:43,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:13:43,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:13:43,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:13:43" (1/1) ... [2021-11-21 01:13:43,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12acf121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:43, skipping insertion in model container [2021-11-21 01:13:43,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:13:43" (1/1) ... [2021-11-21 01:13:43,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:13:43,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:13:43,892 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_32a84795-6b0f-4eef-823f-a06be8d8cd29/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2021-11-21 01:13:44,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:13:44,109 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:13:44,173 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_32a84795-6b0f-4eef-823f-a06be8d8cd29/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-3.i[33021,33034] [2021-11-21 01:13:44,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:13:44,393 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:13:44,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44 WrapperNode [2021-11-21 01:13:44,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:13:44,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:13:44,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:13:44,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:13:44,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,579 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1445 [2021-11-21 01:13:44,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:13:44,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:13:44,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:13:44,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:13:44,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:13:44,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:13:44,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:13:44,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:13:44,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (1/1) ... [2021-11-21 01:13:44,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:13:44,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:13:44,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:13:44,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:13:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:13:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:13:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:13:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:13:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:13:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:13:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:13:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:13:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:13:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:13:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:13:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:13:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:13:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:13:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:13:45,182 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:13:45,184 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:13:46,938 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:13:47,573 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:13:47,573 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-21 01:13:47,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:13:47 BoogieIcfgContainer [2021-11-21 01:13:47,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:13:47,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:13:47,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:13:47,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:13:47,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:13:43" (1/3) ... [2021-11-21 01:13:47,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b96aca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:13:47, skipping insertion in model container [2021-11-21 01:13:47,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:13:44" (2/3) ... [2021-11-21 01:13:47,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b96aca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:13:47, skipping insertion in model container [2021-11-21 01:13:47,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:13:47" (3/3) ... [2021-11-21 01:13:47,591 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-3.i [2021-11-21 01:13:47,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:13:47,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:13:47,681 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:13:47,701 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 [2021-11-21 01:13:47,711 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:13:47,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:13:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:13:47,755 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:13:47,755 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:13:47,756 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:13:47,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:13:47,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1783625313, now seen corresponding path program 1 times [2021-11-21 01:13:47,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:13:47,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986950877] [2021-11-21 01:13:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:13:47,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:13:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:13:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:13:48,015 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:13:48,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986950877] [2021-11-21 01:13:48,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986950877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:13:48,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:13:48,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:13:48,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759471202] [2021-11-21 01:13:48,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:13:48,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:13:48,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:13:48,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:13:48,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:13:48,081 INFO L87 Difference]: Start difference. First operand has 153 states, 133 states have (on average 1.7969924812030076) internal successors, (239), 144 states have internal predecessors, (239), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:13:50,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:13:50,648 INFO L93 Difference]: Finished difference Result 399 states and 722 transitions. [2021-11-21 01:13:50,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:13:50,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:13:50,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:13:50,684 INFO L225 Difference]: With dead ends: 399 [2021-11-21 01:13:50,685 INFO L226 Difference]: Without dead ends: 220 [2021-11-21 01:13:50,702 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 [2021-11-21 01:13:50,706 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 97 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:13:50,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 344 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 01:13:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-21 01:13:50,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-21 01:13:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:13:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-21 01:13:50,813 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-21 01:13:50,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:13:50,815 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-21 01:13:50,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:13:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-21 01:13:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 01:13:50,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:13:50,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:13:50,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:13:50,824 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:13:50,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:13:50,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1011489585, now seen corresponding path program 1 times [2021-11-21 01:13:50,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:13:50,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683256447] [2021-11-21 01:13:50,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:13:50,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:13:50,868 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:13:50,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630157564] [2021-11-21 01:13:50,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:13:50,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:13:50,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:13:50,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:13:50,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:13:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:13:51,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:13:51,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:13:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:13:51,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:13:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:13:51,643 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:13:51,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683256447] [2021-11-21 01:13:51,644 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:13:51,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630157564] [2021-11-21 01:13:51,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630157564] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:13:51,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1344436899] [2021-11-21 01:13:51,704 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-21 01:13:51,706 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:13:51,713 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:13:51,721 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:13:51,723 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:13:52,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:52,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:52,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:52,107 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:13:52,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:13:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:52,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:13:52,237 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:13:52,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:13:52,324 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:13:52,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:13:52,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:52,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:13:54,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:13:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:13:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:13:54,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:13:54,283 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:13:54,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:13:54,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:13:54,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,366 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:13:54,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:13:54,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:13:54,483 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:13:54,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:13:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:54,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:13:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:13:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:13:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:13:56,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:13:56,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:13:56,188 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:13:56,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1344436899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:13:56,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:13:56,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-21 01:13:56,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603939749] [2021-11-21 01:13:56,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:13:56,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:13:56,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:13:56,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:13:56,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:13:56,867 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:14:01,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:14:01,447 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-21 01:14:01,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:14:01,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-21 01:14:01,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:14:01,450 INFO L225 Difference]: With dead ends: 265 [2021-11-21 01:14:01,450 INFO L226 Difference]: Without dead ends: 140 [2021-11-21 01:14:01,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:14:01,453 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 12 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:14:01,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 371 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-21 01:14:01,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-21 01:14:01,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-21 01:14:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:14:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-21 01:14:01,474 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-21 01:14:01,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:14:01,475 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-21 01:14:01,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:14:01,476 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-21 01:14:01,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:14:01,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:14:01,480 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:14:01,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 01:14:01,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:14:01,693 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:14:01,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:14:01,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1235485580, now seen corresponding path program 1 times [2021-11-21 01:14:01,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:14:01,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736088862] [2021-11-21 01:14:01,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:01,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:14:01,734 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:14:01,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1807807603] [2021-11-21 01:14:01,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:01,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:14:01,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:14:01,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:14:01,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:14:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:02,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:14:02,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:14:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:14:02,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:14:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:14:02,499 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:14:02,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736088862] [2021-11-21 01:14:02,499 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:14:02,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807807603] [2021-11-21 01:14:02,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807807603] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:14:02,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [994682701] [2021-11-21 01:14:02,505 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:14:02,505 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:14:02,506 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:14:02,506 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:14:02,506 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:14:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:02,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:02,723 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:14:02,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:14:02,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:02,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:14:02,812 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:14:02,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:14:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:02,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:14:02,912 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:14:02,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:14:04,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:14:04,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:14:04,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:14:04,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:14:04,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:14:04,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:14:04,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:14:04,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:14:04,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,802 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:14:04,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:14:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:14:04,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:04,969 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:14:04,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:14:04,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:05,026 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:14:05,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:14:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:05,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:05,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:05,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:14:06,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:06,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:14:06,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:06,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:14:06,092 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:14:06,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:14:06,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:14:06,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:06,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:06,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-21 01:14:07,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:14:07,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:14:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:14:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:14:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:14:07,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:14:07,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:14:07,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:14:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:14:08,101 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 01:14:08,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:14:08,161 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 01:14:08,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 135 treesize of output 143 [2021-11-21 01:14:08,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:14:08,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:08,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:14:09,454 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 93 for LOIs [2021-11-21 01:14:09,796 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:14:11,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [994682701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:14:11,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-21 01:14:11,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-21 01:14:11,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231112880] [2021-11-21 01:14:11,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:14:11,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 01:14:11,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:14:11,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 01:14:11,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:14:11,122 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:14:14,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:14:21,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:14:21,975 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-21 01:14:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:14:21,976 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-21 01:14:21,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:14:21,978 INFO L225 Difference]: With dead ends: 267 [2021-11-21 01:14:21,978 INFO L226 Difference]: Without dead ends: 142 [2021-11-21 01:14:21,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:14:21,981 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 7 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:14:21,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 765 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 309 Invalid, 1 Unknown, 80 Unchecked, 10.8s Time] [2021-11-21 01:14:21,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-21 01:14:22,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-21 01:14:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-21 01:14:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-21 01:14:22,011 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-21 01:14:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:14:22,011 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-21 01:14:22,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:14:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-21 01:14:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 01:14:22,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:14:22,022 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:14:22,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:14:22,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 01:14:22,222 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:14:22,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:14:22,223 INFO L85 PathProgramCache]: Analyzing trace with hash -662703022, now seen corresponding path program 1 times [2021-11-21 01:14:22,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:14:22,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501102554] [2021-11-21 01:14:22,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:22,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:14:22,254 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:14:22,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497461607] [2021-11-21 01:14:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:14:22,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:14:22,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:14:22,265 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:14:22,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32a84795-6b0f-4eef-823f-a06be8d8cd29/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:14:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:14:22,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:14:22,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:14:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:14:22,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:14:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 01:14:23,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:14:23,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501102554] [2021-11-21 01:14:23,003 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:14:23,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497461607] [2021-11-21 01:14:23,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497461607] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:14:23,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1213824347] [2021-11-21 01:14:23,008 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-21 01:14:23,008 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:14:23,009 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:14:23,009 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:14:23,009 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:14:23,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:23,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:14:23,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:23,232 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:14:23,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-21 01:14:23,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:23,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:14:23,322 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:14:23,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 01:14:23,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:23,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 01:14:23,388 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:14:23,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 01:14:24,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:14:24,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:14:24,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:14:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:14:24,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:14:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:14:24,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:14:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:24,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:14:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,050 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:14:25,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:14:25,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:14:25,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 01:14:25,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,276 INFO L354 Elim1Store]: treesize reduction 146, result has 25.9 percent of original size [2021-11-21 01:14:25,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 01:14:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:25,342 INFO L354 Elim1Store]: treesize reduction 86, result has 15.7 percent of original size [2021-11-21 01:14:25,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 01:14:25,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:14:25,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:14:25,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:14:26,039 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:14:26,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:14:26,068 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:14:26,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:14:26,100 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:14:26,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:14:26,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:14:26,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:14:26,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:14:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:14:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:14:26,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:14:26,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:14:26,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:14:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:26,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:14:36,687 WARN L227 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:14:36,688 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:14:36,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 01:14:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:14:54,485 WARN L227 SmtUtils]: Spent 17.76s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:14:54,486 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:14:54,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 01:15:09,140 WARN L227 SmtUtils]: Spent 14.51s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:15:09,141 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:15:09,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2842 treesize of output 2672 [2021-11-21 01:15:10,431 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 01:15:10,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25940 treesize of output 25951 [2021-11-21 01:15:11,514 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 01:15:11,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25939 treesize of output 25951 [2021-11-21 01:15:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:15:14,499 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:15:14,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:15:15,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:15:15,661 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:15:15,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44