./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/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_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/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_f15f7411-4170-4ea1-ad04-7b30be6795b8/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 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:30:17,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:30:17,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:30:17,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:30:17,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:30:17,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:30:17,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:30:17,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:30:17,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:30:17,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:30:18,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:30:18,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:30:18,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:30:18,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:30:18,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:30:18,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:30:18,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:30:18,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:30:18,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:30:18,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:30:18,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:30:18,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:30:18,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:30:18,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:30:18,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:30:18,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:30:18,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:30:18,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:30:18,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:30:18,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:30:18,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:30:18,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:30:18,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:30:18,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:30:18,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:30:18,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:30:18,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:30:18,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:30:18,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:30:18,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:30:18,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:30:18,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:30:18,103 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:30:18,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:30:18,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:30:18,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:30:18,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:30:18,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:30:18,111 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:30:18,111 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:30:18,112 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:30:18,112 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:30:18,113 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:30:18,113 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:30:18,113 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:30:18,113 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:30:18,113 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:30:18,114 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:30:18,114 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:30:18,114 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:30:18,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:30:18,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:30:18,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:30:18,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:30:18,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:30:18,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:30:18,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:30:18,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:30:18,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:30:18,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:30:18,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:30:18,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:30:18,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:30:18,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:30:18,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:30:18,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:30:18,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:30:18,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:30:18,120 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:30:18,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:30:18,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:30:18,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:30:18,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:30:18,121 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_f15f7411-4170-4ea1-ad04-7b30be6795b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c8bfc4504f1d1d767281638f115bf6ca8337de4769381189ae1d6a9b301298b [2021-11-25 20:30:18,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:30:18,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:30:18,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:30:18,389 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:30:18,390 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:30:18,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2021-11-25 20:30:18,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/data/a1f37fa74/b94835b4d03d4bb6bf5c04d3ff3ab27f/FLAG06d5a214c [2021-11-25 20:30:19,049 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:30:19,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i [2021-11-25 20:30:19,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/data/a1f37fa74/b94835b4d03d4bb6bf5c04d3ff3ab27f/FLAG06d5a214c [2021-11-25 20:30:19,248 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/data/a1f37fa74/b94835b4d03d4bb6bf5c04d3ff3ab27f [2021-11-25 20:30:19,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:30:19,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:30:19,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:30:19,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:30:19,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:30:19,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:30:19" (1/1) ... [2021-11-25 20:30:19,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7005cfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:19, skipping insertion in model container [2021-11-25 20:30:19,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:30:19" (1/1) ... [2021-11-25 20:30:19,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:30:19,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:30:19,761 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_f15f7411-4170-4ea1-ad04-7b30be6795b8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2021-11-25 20:30:19,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:30:19,939 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:30:19,970 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_f15f7411-4170-4ea1-ad04-7b30be6795b8/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-2.i[33021,33034] [2021-11-25 20:30:20,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:30:20,093 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:30:20,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20 WrapperNode [2021-11-25 20:30:20,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:30:20,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:30:20,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:30:20,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:30:20,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,266 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-25 20:30:20,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:30:20,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:30:20,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:30:20,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:30:20,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:30:20,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:30:20,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:30:20,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:30:20,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (1/1) ... [2021-11-25 20:30:20,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:30:20,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:30:20,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:30:20,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:30:20,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:30:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:30:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:30:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:30:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:30:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:30:20,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:30:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:30:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:30:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:30:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:30:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:30:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:30:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:30:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:30:20,848 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:30:20,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:30:22,068 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:30:22,556 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:30:22,557 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-25 20:30:22,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:30:22 BoogieIcfgContainer [2021-11-25 20:30:22,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:30:22,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:30:22,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:30:22,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:30:22,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:30:19" (1/3) ... [2021-11-25 20:30:22,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4488fb21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:30:22, skipping insertion in model container [2021-11-25 20:30:22,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:30:20" (2/3) ... [2021-11-25 20:30:22,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4488fb21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:30:22, skipping insertion in model container [2021-11-25 20:30:22,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:30:22" (3/3) ... [2021-11-25 20:30:22,569 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test4-2.i [2021-11-25 20:30:22,574 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:30:22,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:30:22,636 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:30:22,651 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 20:30:22,651 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:30:22,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 20:30:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:30:22,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:22,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:30:22,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:30:22,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:22,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-25 20:30:22,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:22,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174827282] [2021-11-25 20:30:22,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:22,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:22,887 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 20:30:22,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:22,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174827282] [2021-11-25 20:30:22,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174827282] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:22,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:30:22,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:30:22,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229097612] [2021-11-25 20:30:22,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:22,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:30:22,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:22,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:30:22,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:30:22,938 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:30:24,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:24,871 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-25 20:30:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:30:24,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 20:30:24,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:24,888 INFO L225 Difference]: With dead ends: 375 [2021-11-25 20:30:24,889 INFO L226 Difference]: Without dead ends: 220 [2021-11-25 20:30:24,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:30:24,896 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 97 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:24,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 20:30:24,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-25 20:30:24,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-25 20:30:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 20:30:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-25 20:30:24,955 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-25 20:30:24,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:24,955 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-25 20:30:24,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:30:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-25 20:30:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 20:30:24,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:24,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:30:24,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:30:24,960 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:30:24,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:24,961 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-25 20:30:24,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:24,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376052286] [2021-11-25 20:30:24,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:24,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:25,175 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:30:25,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854253781] [2021-11-25 20:30:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:25,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:25,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:30:25,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:30:25,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:30:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:26,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:30:26,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:30:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:30:26,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:30:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:30:26,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:26,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376052286] [2021-11-25 20:30:26,669 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:30:26,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854253781] [2021-11-25 20:30:26,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854253781] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:30:26,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [545003290] [2021-11-25 20:30:26,690 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-25 20:30:26,690 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:30:26,695 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:30:26,700 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:30:26,700 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:30:26,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:26,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:26,994 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:30:26,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 20:30:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:30:27,062 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:30:27,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 20:30:27,081 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 20:30:27,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,120 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 20:30:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,546 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 20:30:27,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:30:27,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:30:27,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,646 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 20:30:27,709 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:30:27,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 20:30:27,752 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:30:27,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 20:30:27,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,774 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 20:30:27,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,791 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 20:30:27,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:27,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:27,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 20:30:28,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,156 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 20:30:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,175 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 20:30:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:30:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:28,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:30:28,241 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:30:29,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [545003290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:29,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:30:29,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 20:30:29,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377856341] [2021-11-25 20:30:29,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:29,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:30:29,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:29,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:30:29,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:30:29,227 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:30:32,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:32,369 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-25 20:30:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:30:32,369 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-25 20:30:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:32,371 INFO L225 Difference]: With dead ends: 265 [2021-11-25 20:30:32,371 INFO L226 Difference]: Without dead ends: 140 [2021-11-25 20:30:32,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:30:32,374 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:32,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 20:30:32,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-25 20:30:32,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-25 20:30:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 20:30:32,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-25 20:30:32,392 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-25 20:30:32,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:32,393 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-25 20:30:32,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:30:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-25 20:30:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 20:30:32,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:32,396 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:30:32,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 20:30:32,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:32,612 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:30:32,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:32,613 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-25 20:30:32,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:32,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666378746] [2021-11-25 20:30:32,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:32,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:32,780 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:30:32,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943594644] [2021-11-25 20:30:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:32,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:32,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:30:32,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:30:32,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:30:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:33,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 2181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:30:33,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:30:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:30:33,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:30:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 20:30:34,076 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:34,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666378746] [2021-11-25 20:30:34,076 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:30:34,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943594644] [2021-11-25 20:30:34,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943594644] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:30:34,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1613062150] [2021-11-25 20:30:34,084 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 20:30:34,084 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:30:34,085 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:30:34,085 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:30:34,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:30:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:30:34,266 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:30:34,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-25 20:30:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:30:34,310 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:30:34,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 20:30:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:34,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 20:30:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:30:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:30:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,620 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 20:30:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,644 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 20:30:34,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,673 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 20:30:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,686 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 20:30:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,722 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 70 treesize of output 69 [2021-11-25 20:30:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,744 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 70 treesize of output 69 [2021-11-25 20:30:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,795 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 20:30:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,824 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 20:30:34,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,846 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 28 treesize of output 36 [2021-11-25 20:30:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2021-11-25 20:30:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:34,891 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 70 treesize of output 69 [2021-11-25 20:30:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:35,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,090 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:30:35,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 20:30:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 20:30:35,144 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:30:35,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 20:30:35,155 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 20:30:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,170 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 20:30:35,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,437 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 20:30:35,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,459 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 20:30:35,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:30:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:30:35,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:30:35,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,581 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 20:30:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,596 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 20:30:35,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,641 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 20:30:35,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,661 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 70 treesize of output 69 [2021-11-25 20:30:35,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:35,693 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 20:30:35,759 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:30:35,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 20:30:35,776 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 28 treesize of output 36 [2021-11-25 20:30:36,006 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-25 20:30:36,084 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:30:37,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1613062150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:30:37,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:30:37,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 20:30:37,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162308754] [2021-11-25 20:30:37,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:30:37,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:30:37,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:30:37,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:30:37,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:30:37,931 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:30:41,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:30:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:30:41,323 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-25 20:30:41,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 20:30:41,323 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2021-11-25 20:30:41,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:30:41,325 INFO L225 Difference]: With dead ends: 267 [2021-11-25 20:30:41,325 INFO L226 Difference]: Without dead ends: 142 [2021-11-25 20:30:41,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:30:41,327 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:30:41,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 3.4s Time] [2021-11-25 20:30:41,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-25 20:30:41,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-25 20:30:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2021-11-25 20:30:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-25 20:30:41,346 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-25 20:30:41,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:30:41,347 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-25 20:30:41,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:30:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-25 20:30:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 20:30:41,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:30:41,350 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:30:41,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:30:41,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:41,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:30:41,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:30:41,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-25 20:30:41,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:30:41,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909607885] [2021-11-25 20:30:41,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:41,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:30:41,692 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:30:41,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996260214] [2021-11-25 20:30:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:30:41,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:30:41,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:30:41,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:30:41,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f7411-4170-4ea1-ad04-7b30be6795b8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:30:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:30:42,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:30:42,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:30:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:30:42,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:30:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 20:30:42,998 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:30:42,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909607885] [2021-11-25 20:30:42,999 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:30:42,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996260214] [2021-11-25 20:30:42,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996260214] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:30:42,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [134230392] [2021-11-25 20:30:43,003 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 20:30:43,003 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:30:43,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:30:43,004 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:30:43,004 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:30:43,126 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:30:43,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-25 20:30:43,172 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 20:30:43,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,185 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 20:30:43,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:30:43,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 20:30:43,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,208 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 20:30:43,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 20:30:43,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 20:30:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,443 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 20:30:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,463 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 20:30:43,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,490 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 20:30:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 20:30:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,538 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 20:30:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,598 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 20:30:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,632 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 20:30:43,684 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:30:43,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2021-11-25 20:30:43,695 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 28 treesize of output 36 [2021-11-25 20:30:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,723 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 70 treesize of output 69 [2021-11-25 20:30:43,804 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 20:30:43,807 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 20:30:43,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 20:30:43,848 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:30:43,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 58 [2021-11-25 20:30:43,878 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:30:43,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2021-11-25 20:30:43,905 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:30:43,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 20:30:43,940 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 20:30:43,944 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 20:30:43,949 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 20:30:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 20:30:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:30:44,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:30:44,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 20:30:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 20:30:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:44,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 20:30:51,330 WARN L227 SmtUtils]: Spent 6.96s 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 20:30:51,330 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:30:51,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 20:30:51,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:58,427 WARN L227 SmtUtils]: Spent 6.98s 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 20:30:58,427 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:30:58,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 20:30:58,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:30:59,049 INFO L244 Elim1Store]: Index analysis took 448 ms [2021-11-25 20:31:09,036 WARN L227 SmtUtils]: Spent 9.72s 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 20:31:09,036 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:31:09,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 20:31:09,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:09,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:09,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:09,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:09,452 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 27 treesize of output 38 [2021-11-25 20:31:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:09,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:09,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:09,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:09,657 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 37 treesize of output 49 [2021-11-25 20:31:10,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:10,059 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:10,275 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:31:10,276 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 20:31:10,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:10,677 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:31:10,677 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 20:31:10,750 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:10,837 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 20:31:10,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:10,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:10,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:31:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:31:11,279 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:31:11,279 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 46 treesize of output 44