./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:53:57,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:53:57,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:53:57,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:53:57,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:53:57,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:53:57,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:53:57,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:53:57,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:53:57,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:53:57,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:53:57,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:53:57,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:53:57,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:53:57,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:53:57,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:53:57,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:53:57,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:53:57,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:53:57,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:53:57,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:53:57,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:53:57,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:53:57,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:53:57,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:53:57,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:53:57,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:53:57,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:53:57,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:53:57,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:53:57,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:53:57,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:53:57,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:53:57,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:53:57,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:53:57,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:53:57,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:53:57,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:53:57,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:53:57,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:53:57,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:53:57,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:53:57,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:53:57,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:53:57,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:53:57,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:53:57,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:53:57,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:53:57,187 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:53:57,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:53:57,187 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:53:57,188 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:53:57,188 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:53:57,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:53:57,189 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:53:57,189 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:53:57,190 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:53:57,190 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:53:57,191 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:53:57,191 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:53:57,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:53:57,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:53:57,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:53:57,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:53:57,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:53:57,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:53:57,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:53:57,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:53:57,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:53:57,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:53:57,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:53:57,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:53:57,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:53:57,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:53:57,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:53:57,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:53:57,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:53:57,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:53:57,199 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:53:57,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:53:57,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:53:57,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:53:57,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:53:57,201 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_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 [2021-11-25 18:53:57,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:53:57,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:53:57,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:53:57,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:53:57,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:53:57,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2021-11-25 18:53:57,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/data/a4c86cd1b/fc07e3b9b7854c7e98b4fd2205ecc2cb/FLAG20eacf91a [2021-11-25 18:53:58,333 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:53:58,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2021-11-25 18:53:58,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/data/a4c86cd1b/fc07e3b9b7854c7e98b4fd2205ecc2cb/FLAG20eacf91a [2021-11-25 18:53:58,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/data/a4c86cd1b/fc07e3b9b7854c7e98b4fd2205ecc2cb [2021-11-25 18:53:58,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:53:58,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:53:58,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:53:58,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:53:58,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:53:58,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:53:58" (1/1) ... [2021-11-25 18:53:58,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ceac173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:58, skipping insertion in model container [2021-11-25 18:53:58,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:53:58" (1/1) ... [2021-11-25 18:53:58,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:53:58,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:53:59,217 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_3e50aeac-4ff2-4044-a783-183c839c132c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[33021,33034] [2021-11-25 18:53:59,381 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_3e50aeac-4ff2-4044-a783-183c839c132c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[45234,45247] [2021-11-25 18:53:59,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:53:59,435 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:53:59,465 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_3e50aeac-4ff2-4044-a783-183c839c132c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[33021,33034] [2021-11-25 18:53:59,565 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_3e50aeac-4ff2-4044-a783-183c839c132c/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i[45234,45247] [2021-11-25 18:53:59,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:53:59,636 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:53:59,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59 WrapperNode [2021-11-25 18:53:59,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:53:59,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:53:59,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:53:59,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:53:59,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:53:59,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:53:59,854 INFO L137 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-25 18:53:59,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:53:59,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:53:59,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:53:59,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:53:59,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:53:59,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:53:59,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:53:59,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:53:59,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:54:00,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:54:00,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:54:00,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:54:00,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:54:00,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:54:00,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:54:00,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (1/1) ... [2021-11-25 18:54:00,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:54:00,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:54:00,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:54:00,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:54:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:54:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:54:00,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:54:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:54:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:54:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:54:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-25 18:54:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-25 18:54:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:54:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:54:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:54:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:54:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:54:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:54:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:54:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:54:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:54:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:54:00,509 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:54:00,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:54:01,765 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:54:02,295 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:54:02,296 INFO L301 CfgBuilder]: Removed 71 assume(true) statements. [2021-11-25 18:54:02,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:02 BoogieIcfgContainer [2021-11-25 18:54:02,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:54:02,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:54:02,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:54:02,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:54:02,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:53:58" (1/3) ... [2021-11-25 18:54:02,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56164e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:54:02, skipping insertion in model container [2021-11-25 18:54:02,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:59" (2/3) ... [2021-11-25 18:54:02,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56164e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:54:02, skipping insertion in model container [2021-11-25 18:54:02,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:02" (3/3) ... [2021-11-25 18:54:02,314 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-2.i [2021-11-25 18:54:02,321 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:54:02,321 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:54:02,383 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:54:02,392 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:54:02,392 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:54:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:54:02,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:54:02,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:02,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:54:02,427 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:54:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1416523053, now seen corresponding path program 1 times [2021-11-25 18:54:02,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:02,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135407900] [2021-11-25 18:54:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:02,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:02,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:54:02,695 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:02,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135407900] [2021-11-25 18:54:02,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135407900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:02,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:02,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:54:02,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164702113] [2021-11-25 18:54:02,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:02,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:54:02,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:02,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:54:02,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:54:02,754 INFO L87 Difference]: Start difference. First operand has 162 states, 136 states have (on average 1.7941176470588236) internal successors, (244), 153 states have internal predecessors, (244), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:54:04,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:54:04,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:54:04,575 INFO L93 Difference]: Finished difference Result 323 states and 584 transitions. [2021-11-25 18:54:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:54:04,578 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 18:54:04,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:54:04,592 INFO L225 Difference]: With dead ends: 323 [2021-11-25 18:54:04,592 INFO L226 Difference]: Without dead ends: 146 [2021-11-25 18:54:04,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:54:04,602 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:54:04,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 18:54:04,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-25 18:54:04,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-25 18:54:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 137 states have internal predecessors, (154), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:54:04,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2021-11-25 18:54:04,671 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 194 transitions. Word has length 8 [2021-11-25 18:54:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:54:04,672 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 194 transitions. [2021-11-25 18:54:04,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:54:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2021-11-25 18:54:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 18:54:04,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:04,676 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] [2021-11-25 18:54:04,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:54:04,676 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:54:04,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:04,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2072407008, now seen corresponding path program 1 times [2021-11-25 18:54:04,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:04,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445203509] [2021-11-25 18:54:04,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:04,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:04,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:54:04,777 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:04,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445203509] [2021-11-25 18:54:04,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445203509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:04,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:04,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:54:04,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810614654] [2021-11-25 18:54:04,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:04,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:54:04,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:04,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:54:04,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:54:04,783 INFO L87 Difference]: Start difference. First operand 146 states and 194 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:54:06,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:54:06,386 INFO L93 Difference]: Finished difference Result 293 states and 390 transitions. [2021-11-25 18:54:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:54:06,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-25 18:54:06,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:54:06,390 INFO L225 Difference]: With dead ends: 293 [2021-11-25 18:54:06,391 INFO L226 Difference]: Without dead ends: 202 [2021-11-25 18:54:06,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:54:06,395 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 60 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:54:06,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 484 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:54:06,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-25 18:54:06,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2021-11-25 18:54:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 139 states have internal predecessors, (156), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-25 18:54:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 196 transitions. [2021-11-25 18:54:06,422 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 196 transitions. Word has length 20 [2021-11-25 18:54:06,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:54:06,422 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 196 transitions. [2021-11-25 18:54:06,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:54:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2021-11-25 18:54:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 18:54:06,425 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:06,426 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] [2021-11-25 18:54:06,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:54:06,426 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:54:06,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:06,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1044851722, now seen corresponding path program 1 times [2021-11-25 18:54:06,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:06,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682458045] [2021-11-25 18:54:06,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:06,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:06,594 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:54:06,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440559482] [2021-11-25 18:54:06,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:06,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:54:06,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:54:06,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:54:06,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:54:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:07,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:54:07,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:54:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:54:07,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:54:07,605 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:07,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682458045] [2021-11-25 18:54:07,605 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:54:07,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440559482] [2021-11-25 18:54:07,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440559482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:07,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:07,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:54:07,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146912588] [2021-11-25 18:54:07,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:07,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:54:07,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:07,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:54:07,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:54:07,610 INFO L87 Difference]: Start difference. First operand 148 states and 196 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:54:08,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:54:08,632 INFO L93 Difference]: Finished difference Result 341 states and 444 transitions. [2021-11-25 18:54:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:54:08,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-25 18:54:08,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:54:08,636 INFO L225 Difference]: With dead ends: 341 [2021-11-25 18:54:08,636 INFO L226 Difference]: Without dead ends: 196 [2021-11-25 18:54:08,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:54:08,639 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 45 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:54:08,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 341 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:54:08,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-25 18:54:08,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 193. [2021-11-25 18:54:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 167 states have (on average 1.2275449101796407) internal successors, (205), 183 states have internal predecessors, (205), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-25 18:54:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 247 transitions. [2021-11-25 18:54:08,664 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 247 transitions. Word has length 32 [2021-11-25 18:54:08,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:54:08,664 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 247 transitions. [2021-11-25 18:54:08,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:54:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2021-11-25 18:54:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 18:54:08,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:08,667 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] [2021-11-25 18:54:08,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:54:08,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:54:08,893 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:54:08,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:08,894 INFO L85 PathProgramCache]: Analyzing trace with hash -868254590, now seen corresponding path program 1 times [2021-11-25 18:54:08,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:08,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194210690] [2021-11-25 18:54:08,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:08,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:08,959 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:54:08,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111213862] [2021-11-25 18:54:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:08,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:54:08,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:54:08,962 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:54:08,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:54:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:10,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:54:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:54:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:54:10,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:54:10,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:10,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194210690] [2021-11-25 18:54:10,410 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:54:10,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111213862] [2021-11-25 18:54:10,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111213862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:10,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:10,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:54:10,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620671955] [2021-11-25 18:54:10,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:10,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:54:10,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:10,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:54:10,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:54:10,414 INFO L87 Difference]: Start difference. First operand 193 states and 247 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:54:12,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:54:12,288 INFO L93 Difference]: Finished difference Result 372 states and 482 transitions. [2021-11-25 18:54:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:54:12,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-25 18:54:12,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:54:12,299 INFO L225 Difference]: With dead ends: 372 [2021-11-25 18:54:12,299 INFO L226 Difference]: Without dead ends: 195 [2021-11-25 18:54:12,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:54:12,301 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 1 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:54:12,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 518 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:54:12,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-25 18:54:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2021-11-25 18:54:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 168 states have (on average 1.2321428571428572) internal successors, (207), 185 states have internal predecessors, (207), 21 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-25 18:54:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 250 transitions. [2021-11-25 18:54:12,323 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 250 transitions. Word has length 45 [2021-11-25 18:54:12,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:54:12,323 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 250 transitions. [2021-11-25 18:54:12,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:54:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 250 transitions. [2021-11-25 18:54:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:54:12,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:12,326 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:54:12,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:54:12,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:54:12,553 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:54:12,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:12,553 INFO L85 PathProgramCache]: Analyzing trace with hash -908612650, now seen corresponding path program 1 times [2021-11-25 18:54:12,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:12,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001783832] [2021-11-25 18:54:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:12,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:12,635 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:54:12,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027496280] [2021-11-25 18:54:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:12,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:54:12,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:54:12,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:54:12,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e50aeac-4ff2-4044-a783-183c839c132c/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:54:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:14,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 18:54:14,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:54:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:54:14,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:54:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 18:54:14,507 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:14,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001783832] [2021-11-25 18:54:14,507 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:54:14,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027496280] [2021-11-25 18:54:14,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027496280] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:54:14,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1805074191] [2021-11-25 18:54:14,532 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2021-11-25 18:54:14,532 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:54:14,538 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:54:14,545 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:54:14,545 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:54:14,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:54:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:14,695 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 18:54:14,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-25 18:54:14,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:14,739 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 18:54:14,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 18:54:14,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:54:14,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:14,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 18:54:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:14,873 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 [2021-11-25 18:54:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:14,922 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 18:54:14,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 18:54:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:14,982 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 18:54:14,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 18:54:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,010 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 [2021-11-25 18:54:15,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-25 18:54:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 18:54:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 18:54:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:54:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 18:54:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:54:15,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:54:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:54:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 18:54:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 18:54:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 18:54:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 18:54:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,040 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 18:54:16,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 18:54:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 18:54:16,221 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 [2021-11-25 18:54:16,226 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 [2021-11-25 18:54:16,233 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 [2021-11-25 18:54:16,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:54:16,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 18:54:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 18:54:16,311 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 [2021-11-25 18:54:16,317 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 [2021-11-25 18:54:16,324 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 [2021-11-25 18:54:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:54:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:54:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:54:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-25 18:54:16,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 18:54:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:16,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 18:54:25,988 WARN L227 SmtUtils]: Spent 9.11s 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) [2021-11-25 18:54:25,989 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 18:54:25,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 18:54:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:41,934 WARN L227 SmtUtils]: Spent 15.78s 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) [2021-11-25 18:54:41,935 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 18:54:41,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 18:54:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:42,683 INFO L244 Elim1Store]: Index analysis took 423 ms [2021-11-25 18:54:57,306 WARN L227 SmtUtils]: Spent 14.11s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:54:57,307 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 18:54:57,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 18:54:57,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:58,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:58,043 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-11-25 18:54:59,269 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 18:54:59,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 73 [2021-11-25 18:54:59,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:59,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:54:59,642 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-25 18:54:59,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 18:55:00,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:00,354 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 18:55:00,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:55:00,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:00,770 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:55:00,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 18:55:00,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:01,015 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:55:01,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:55:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:01,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 18:55:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:01,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-25 18:55:01,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:01,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:01,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:01,719 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 18:55:01,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 18:55:01,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:01,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 18:55:02,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:02,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,056 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,584 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:03,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:04,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,321 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:55:04,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2636 treesize of output 2438 [2021-11-25 18:55:04,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:04,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:04,532 INFO L244 Elim1Store]: Index analysis took 107 ms [2021-11-25 18:55:04,635 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:55:04,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2736 treesize of output 2532 [2021-11-25 18:55:04,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:04,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:05,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:55:05,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:05,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:55:05,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:05,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:05,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2615 treesize of output 2245 [2021-11-25 18:55:05,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:05,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:05,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2715 treesize of output 2339 [2021-11-25 18:55:05,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:05,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,469 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,702 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:06,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:07,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:07,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:07,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2683 treesize of output 2245 [2021-11-25 18:55:07,685 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:07,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:07,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:07,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2783 treesize of output 2339 [2021-11-25 18:55:08,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,279 INFO L244 Elim1Store]: Index analysis took 182 ms [2021-11-25 18:55:08,293 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 18:55:08,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2804 treesize of output 2342 [2021-11-25 18:55:08,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:08,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:08,757 INFO L354 Elim1Store]: treesize reduction 55, result has 22.5 percent of original size [2021-11-25 18:55:08,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 2704 treesize of output 2264 [2021-11-25 18:55:08,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,059 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:09,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:09,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,453 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-25 18:55:09,468 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:55:09,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2792 treesize of output 2342 [2021-11-25 18:55:09,520 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,553 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:09,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:09,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:09,787 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-25 18:55:09,801 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 18:55:09,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2692 treesize of output 2248 [2021-11-25 18:55:10,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:10,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:10,163 INFO L244 Elim1Store]: Index analysis took 161 ms [2021-11-25 18:55:11,366 INFO L354 Elim1Store]: treesize reduction 1186, result has 34.9 percent of original size [2021-11-25 18:55:11,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2713 treesize of output 2887 [2021-11-25 18:55:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:11,799 INFO L244 Elim1Store]: Index analysis took 177 ms [2021-11-25 18:55:13,585 INFO L354 Elim1Store]: treesize reduction 1185, result has 36.7 percent of original size [2021-11-25 18:55:13,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2813 treesize of output 3032 [2021-11-25 18:55:13,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:13,949 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:14,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:14,926 INFO L354 Elim1Store]: treesize reduction 793, result has 32.0 percent of original size [2021-11-25 18:55:14,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2792 treesize of output 2716 [2021-11-25 18:55:15,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:15,644 INFO L354 Elim1Store]: treesize reduction 793, result has 31.7 percent of original size [2021-11-25 18:55:15,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2692 treesize of output 2616 [2021-11-25 18:55:16,286 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,381 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,535 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:16,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:16,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:16,720 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-25 18:55:16,722 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 2804 treesize of output 2342 [2021-11-25 18:55:16,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,104 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-11-25 18:55:17,112 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 2704 treesize of output 2248 [2021-11-25 18:55:17,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,424 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,626 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,772 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 2804 treesize of output 2342 [2021-11-25 18:55:17,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:55:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:17,951 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 2704 treesize of output 2248 [2021-11-25 18:55:18,083 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:18,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:55:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:20,075 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-25 18:55:20,370 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 18:55:20,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4042 treesize of output 3586 [2021-11-25 18:55:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:21,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:21,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:21,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:55:21,899 INFO L244 Elim1Store]: Index analysis took 161 ms [2021-11-25 18:55:26,275 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.0 percent of original size [2021-11-25 18:55:26,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 9 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 78023 treesize of output 79003