./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.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_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/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_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/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_5f770d19-8719-4dbf-a4d0-208524520d94/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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:00:04,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:00:04,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:00:04,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:00:04,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:00:04,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:00:04,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:00:04,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:00:04,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:00:04,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:00:04,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:00:04,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:00:04,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:00:04,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:00:04,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:00:04,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:00:04,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:00:04,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:00:04,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:00:04,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:00:04,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:00:04,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:00:04,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:00:04,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:00:04,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:00:04,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:00:04,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:00:04,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:00:04,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:00:04,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:00:04,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:00:04,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:00:04,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:00:04,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:00:04,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:00:04,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:00:04,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:00:04,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:00:04,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:00:04,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:00:04,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:00:04,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:00:04,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:00:04,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:00:04,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:00:04,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:00:04,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:00:04,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:00:04,275 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:00:04,276 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:00:04,276 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:00:04,276 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:00:04,278 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:00:04,278 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:00:04,278 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:00:04,279 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:00:04,279 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:00:04,279 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:00:04,280 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:00:04,280 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:00:04,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:00:04,281 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:00:04,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:00:04,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:00:04,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:00:04,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:00:04,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:00:04,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:00:04,285 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:00:04,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:00:04,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:00:04,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:00:04,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:00:04,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:00:04,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:00:04,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:00:04,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:00:04,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:00:04,289 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:00:04,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:00:04,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:00:04,289 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:00:04,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:00:04,290 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_5f770d19-8719-4dbf-a4d0-208524520d94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2021-11-25 19:00:04,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:00:04,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:00:04,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:00:04,745 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:00:04,746 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:00:04,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-11-25 19:00:04,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/data/37c5fa609/c9af2ae1b3584689a858470b1ccd44ad/FLAGf9ddab49f [2021-11-25 19:00:05,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:00:05,598 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2021-11-25 19:00:05,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/data/37c5fa609/c9af2ae1b3584689a858470b1ccd44ad/FLAGf9ddab49f [2021-11-25 19:00:05,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/data/37c5fa609/c9af2ae1b3584689a858470b1ccd44ad [2021-11-25 19:00:05,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:00:05,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:00:05,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:00:05,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:00:05,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:00:05,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:00:05" (1/1) ... [2021-11-25 19:00:05,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66540b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:05, skipping insertion in model container [2021-11-25 19:00:05,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:00:05" (1/1) ... [2021-11-25 19:00:05,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:00:05,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:00:06,649 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_5f770d19-8719-4dbf-a4d0-208524520d94/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-11-25 19:00:06,800 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_5f770d19-8719-4dbf-a4d0-208524520d94/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-11-25 19:00:06,801 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_5f770d19-8719-4dbf-a4d0-208524520d94/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-11-25 19:00:06,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:06,822 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:00:06,877 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_5f770d19-8719-4dbf-a4d0-208524520d94/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2021-11-25 19:00:07,000 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_5f770d19-8719-4dbf-a4d0-208524520d94/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2021-11-25 19:00:07,002 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_5f770d19-8719-4dbf-a4d0-208524520d94/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2021-11-25 19:00:07,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:00:07,069 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:00:07,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07 WrapperNode [2021-11-25 19:00:07,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:00:07,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:00:07,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:00:07,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:00:07,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,234 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 996 [2021-11-25 19:00:07,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:00:07,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:00:07,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:00:07,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:00:07,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:00:07,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:00:07,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:00:07,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:00:07,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (1/1) ... [2021-11-25 19:00:07,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:00:07,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:07,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:00:07,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:00:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:00:07,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:00:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:00:07,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:00:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:00:07,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:00:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:00:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:00:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:00:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:00:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:00:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:00:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:00:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:00:07,957 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:00:07,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:00:09,200 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:00:09,717 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:00:09,718 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 19:00:09,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:00:09 BoogieIcfgContainer [2021-11-25 19:00:09,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:00:09,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:00:09,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:00:09,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:00:09,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:00:05" (1/3) ... [2021-11-25 19:00:09,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353e67fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:00:09, skipping insertion in model container [2021-11-25 19:00:09,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:00:07" (2/3) ... [2021-11-25 19:00:09,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353e67fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:00:09, skipping insertion in model container [2021-11-25 19:00:09,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:00:09" (3/3) ... [2021-11-25 19:00:09,737 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-1.i [2021-11-25 19:00:09,746 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:00:09,746 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:00:09,827 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:00:09,836 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 19:00:09,836 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:00:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:00:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 19:00:09,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:09,867 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:09,867 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1906206326, now seen corresponding path program 1 times [2021-11-25 19:00:09,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:09,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846268283] [2021-11-25 19:00:09,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:09,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:10,106 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 19:00:10,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:10,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846268283] [2021-11-25 19:00:10,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846268283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:10,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:10,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:00:10,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687466758] [2021-11-25 19:00:10,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:10,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 19:00:10,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:10,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 19:00:10,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 19:00:10,154 INFO L87 Difference]: Start difference. First operand has 108 states, 101 states have (on average 1.811881188118812) internal successors, (183), 103 states have internal predecessors, (183), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 19:00:10,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:10,760 INFO L93 Difference]: Finished difference Result 215 states and 377 transitions. [2021-11-25 19:00:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 19:00:10,773 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-25 19:00:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:10,784 INFO L225 Difference]: With dead ends: 215 [2021-11-25 19:00:10,785 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 19:00:10,789 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 19:00:10,794 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:10,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 19:00:10,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 19:00:10,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 19:00:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:00:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-25 19:00:10,852 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-25 19:00:10,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:10,853 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-25 19:00:10,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 19:00:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-25 19:00:10,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:00:10,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:10,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:10,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:00:10,856 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:10,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:10,857 INFO L85 PathProgramCache]: Analyzing trace with hash 30908713, now seen corresponding path program 1 times [2021-11-25 19:00:10,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:10,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562833562] [2021-11-25 19:00:10,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:10,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:10,940 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 19:00:10,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:10,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562833562] [2021-11-25 19:00:10,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562833562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:10,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:10,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:00:10,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788003358] [2021-11-25 19:00:10,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:10,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:00:10,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:10,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:00:10,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:00:10,946 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 19:00:13,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:13,468 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-25 19:00:13,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:00:13,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-25 19:00:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:13,480 INFO L225 Difference]: With dead ends: 219 [2021-11-25 19:00:13,480 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 19:00:13,481 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 19:00:13,483 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:13,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 19:00:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 19:00:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-25 19:00:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:00:13,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-25 19:00:13,526 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-25 19:00:13,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:13,527 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-25 19:00:13,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 19:00:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-25 19:00:13,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 19:00:13,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:13,530 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:00:13,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:00:13,531 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:13,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:13,532 INFO L85 PathProgramCache]: Analyzing trace with hash -667749530, now seen corresponding path program 1 times [2021-11-25 19:00:13,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:13,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39524973] [2021-11-25 19:00:13,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:13,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:13,742 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:13,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860699075] [2021-11-25 19:00:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:13,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:13,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:13,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:13,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:00:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:14,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:00:14,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:00:14,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:14,794 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:14,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39524973] [2021-11-25 19:00:14,794 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:00:14,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860699075] [2021-11-25 19:00:14,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860699075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:14,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:14,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:00:14,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789504446] [2021-11-25 19:00:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:14,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:00:14,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:14,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:00:14,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:00:14,798 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 19:00:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:16,027 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-25 19:00:16,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:00:16,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-25 19:00:16,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:16,035 INFO L225 Difference]: With dead ends: 265 [2021-11-25 19:00:16,035 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 19:00:16,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 19:00:16,038 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:16,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 19:00:16,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 19:00:16,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-25 19:00:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:00:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-25 19:00:16,057 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-25 19:00:16,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:16,058 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-25 19:00:16,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 19:00:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-25 19:00:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 19:00:16,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:16,061 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] [2021-11-25 19:00:16,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:00:16,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:16,277 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:16,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:16,278 INFO L85 PathProgramCache]: Analyzing trace with hash -357184176, now seen corresponding path program 1 times [2021-11-25 19:00:16,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:16,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174751896] [2021-11-25 19:00:16,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:16,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:16,403 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:16,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786379738] [2021-11-25 19:00:16,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:16,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:16,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:16,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:16,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:00:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:16,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:00:16,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:17,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:00:17,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 19:00:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:00:17,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:17,169 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:17,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174751896] [2021-11-25 19:00:17,170 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:00:17,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786379738] [2021-11-25 19:00:17,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786379738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:17,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:17,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:00:17,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722504193] [2021-11-25 19:00:17,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:17,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:00:17,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:17,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:00:17,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:00:17,174 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:00:19,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:00:20,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:20,158 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-25 19:00:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:00:20,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2021-11-25 19:00:20,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:20,172 INFO L225 Difference]: With dead ends: 201 [2021-11-25 19:00:20,172 INFO L226 Difference]: Without dead ends: 197 [2021-11-25 19:00:20,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 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 19:00:20,174 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 46 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:20,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 287 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 19:00:20,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-25 19:00:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-25 19:00:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:00:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-25 19:00:20,193 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-25 19:00:20,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:20,195 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-25 19:00:20,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:00:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-25 19:00:20,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 19:00:20,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:20,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:20,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:00:20,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:20,425 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:20,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:20,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1806423702, now seen corresponding path program 1 times [2021-11-25 19:00:20,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:20,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117725003] [2021-11-25 19:00:20,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:20,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:20,513 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:20,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076129993] [2021-11-25 19:00:20,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:20,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:20,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:20,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:20,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:00:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:21,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 19:00:21,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:21,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:00:21,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:21,224 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117725003] [2021-11-25 19:00:21,225 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:00:21,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076129993] [2021-11-25 19:00:21,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076129993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:21,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:21,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:00:21,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506093211] [2021-11-25 19:00:21,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:21,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:00:21,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:21,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:00:21,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:00:21,229 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:00:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:22,280 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-25 19:00:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:00:22,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-25 19:00:22,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:22,292 INFO L225 Difference]: With dead ends: 344 [2021-11-25 19:00:22,292 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 19:00:22,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 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 19:00:22,295 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:22,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 19:00:22,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 19:00:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-25 19:00:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 19:00:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-25 19:00:22,316 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-25 19:00:22,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:22,317 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-25 19:00:22,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 19:00:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-25 19:00:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 19:00:22,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:22,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:22,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 19:00:22,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:22,537 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:22,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:22,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1808435595, now seen corresponding path program 1 times [2021-11-25 19:00:22,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:22,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54104026] [2021-11-25 19:00:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:22,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:22,607 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:22,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818724771] [2021-11-25 19:00:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:22,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:22,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:22,613 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:22,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:00:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:30,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 19:00:30,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:00:30,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:00:30,326 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:30,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54104026] [2021-11-25 19:00:30,327 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:00:30,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818724771] [2021-11-25 19:00:30,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818724771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:30,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:30,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:00:30,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703166809] [2021-11-25 19:00:30,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:30,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:00:30,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:30,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:00:30,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:00:30,330 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:00:33,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:00:33,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:33,269 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-25 19:00:33,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:00:33,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-25 19:00:33,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:33,279 INFO L225 Difference]: With dead ends: 381 [2021-11-25 19:00:33,279 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 19:00:33,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 19:00:33,282 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:33,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 19:00:33,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 19:00:33,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 19:00:33,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 19:00:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-25 19:00:33,302 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-25 19:00:33,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:33,302 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-25 19:00:33,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:00:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-25 19:00:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 19:00:33,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:33,306 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:00:33,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-25 19:00:33,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 19:00:33,517 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:00:33,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:33,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1272133155, now seen corresponding path program 1 times [2021-11-25 19:00:33,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:33,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769632727] [2021-11-25 19:00:33,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:33,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:33,582 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:00:33,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047381040] [2021-11-25 19:00:33,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:33,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:00:33,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:00:33,589 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:00:33,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f770d19-8719-4dbf-a4d0-208524520d94/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 19:00:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:37,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 19:00:37,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:00:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:00:37,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:00:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 19:00:37,694 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:37,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769632727] [2021-11-25 19:00:37,695 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:00:37,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047381040] [2021-11-25 19:00:37,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047381040] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:00:37,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [357113945] [2021-11-25 19:00:37,730 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 19:00:37,730 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:00:37,737 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:00:37,743 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:00:37,744 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:00:37,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:37,955 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:00:37,956 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 19:00:37,969 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 19:00:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:37,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 19:00:37,996 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 19:00:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,012 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 19:00:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,096 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:00:38,098 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 19:00:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,128 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 19:00:38,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,154 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 19:00:38,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,195 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 19:00:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 30 [2021-11-25 19:00:38,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,658 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 19:00:38,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 19:00:38,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,727 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 19:00:38,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,758 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 19:00:38,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,845 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 89 treesize of output 79 [2021-11-25 19:00:38,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,885 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 19:00:38,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,912 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 19:00:38,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,934 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 19:00:38,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:38,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,000 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 19:00:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,039 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 19:00:39,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,092 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 19:00:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,120 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 19:00:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 19:00:39,295 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 19:00:39,300 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 19:00:39,305 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 19:00:39,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,338 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 19:00:39,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,347 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 19:00:39,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,359 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 19:00:39,382 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 19:00:39,392 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 19:00:39,399 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 19:00:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,486 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 19:00:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,508 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 78 treesize of output 30 [2021-11-25 19:00:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,542 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 46 treesize of output 16 [2021-11-25 19:00:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,707 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 46 treesize of output 16 [2021-11-25 19:00:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,740 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 19:00:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:00:39,773 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 78 treesize of output 30 [2021-11-25 19:00:48,534 WARN L227 SmtUtils]: Spent 8.56s 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 19:00:48,535 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:00:48,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 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 19:00:48,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:00,679 WARN L227 SmtUtils]: Spent 12.01s 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 19:01:00,680 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:01:00,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 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 19:01:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:01,422 INFO L244 Elim1Store]: Index analysis took 519 ms [2021-11-25 19:01:16,296 WARN L227 SmtUtils]: Spent 14.45s 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 19:01:16,298 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:01:16,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 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 19:01:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,200 INFO L244 Elim1Store]: Index analysis took 287 ms [2021-11-25 19:01:17,213 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:01:17,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:01:17,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:17,645 INFO L244 Elim1Store]: Index analysis took 231 ms [2021-11-25 19:01:17,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 19:01:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:18,523 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:01:18,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:01:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:19,088 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:01:19,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 19:01:19,314 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:19,388 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:19,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:19,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:19,717 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:19,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:19,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:19,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:19,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,106 INFO L244 Elim1Store]: Index analysis took 173 ms [2021-11-25 19:01:20,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:01:20,211 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 3084 treesize of output 2866 [2021-11-25 19:01:20,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:20,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:20,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:20,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:20,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:20,959 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-11-25 19:01:20,961 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 3096 treesize of output 2648 [2021-11-25 19:01:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:21,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:21,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:21,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:21,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:21,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:21,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:21,403 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-25 19:01:21,405 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 3105 treesize of output 2651 [2021-11-25 19:01:21,969 INFO L244 Elim1Store]: Index analysis took 364 ms [2021-11-25 19:01:24,889 INFO L354 Elim1Store]: treesize reduction 468, result has 74.7 percent of original size [2021-11-25 19:01:24,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3105 treesize of output 4035 [2021-11-25 19:01:27,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:27,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:27,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:27,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:27,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:27,711 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-25 19:01:27,713 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 3096 treesize of output 2648 [2021-11-25 19:01:28,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:28,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:28,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:28,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:28,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:28,243 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-11-25 19:01:28,586 INFO L354 Elim1Store]: treesize reduction 6, result has 91.3 percent of original size [2021-11-25 19:01:28,587 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 3096 treesize of output 2710 [2021-11-25 19:01:29,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:29,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:29,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:30,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:30,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:30,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:30,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:30,271 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 3075 treesize of output 2645 [2021-11-25 19:01:30,433 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:30,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:30,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:01:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:30,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:30,731 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-25 19:01:31,315 INFO L354 Elim1Store]: treesize reduction 793, result has 31.2 percent of original size [2021-11-25 19:01:31,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 3084 treesize of output 3008 [2021-11-25 19:01:31,593 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:33,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:33,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:01:33,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:33,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:33,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:33,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:33,195 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 19:01:33,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:33,554 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 19:01:33,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 19:01:33,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:33,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:33,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:33,731 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-25 19:01:33,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:38,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:38,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:38,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:38,407 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:38,439 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:38,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:01:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:01:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver