./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/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_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/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_fe2f231b-36e3-4164-81a3-0f809a24d2f7/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 e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:15:50,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:15:50,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:15:50,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:15:50,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:15:50,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:15:50,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:15:50,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:15:50,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:15:50,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:15:50,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:15:50,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:15:50,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:15:50,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:15:50,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:15:50,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:15:50,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:15:50,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:15:50,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:15:50,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:15:50,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:15:50,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:15:50,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:15:50,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:15:50,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:15:50,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:15:50,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:15:50,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:15:50,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:15:50,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:15:50,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:15:50,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:15:50,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:15:50,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:15:50,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:15:50,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:15:50,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:15:50,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:15:50,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:15:50,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:15:50,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:15:50,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:15:50,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:15:50,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:15:50,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:15:50,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:15:50,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:15:50,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:15:50,472 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:15:50,473 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:15:50,473 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:15:50,473 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:15:50,473 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:15:50,473 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:15:50,474 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:15:50,474 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:15:50,474 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:15:50,474 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:15:50,474 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:15:50,475 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:15:50,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:15:50,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:15:50,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:15:50,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:15:50,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:15:50,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:15:50,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:15:50,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:15:50,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:15:50,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:15:50,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:15:50,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:15:50,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:15:50,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:15:50,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:15:50,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:15:50,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:15:50,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:15:50,479 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:15:50,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:15:50,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:15:50,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:15:50,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:15:50,479 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_fe2f231b-36e3-4164-81a3-0f809a24d2f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e095bb5ea0d924a9f9ab04ab393eec77de9b1aa4e50357711d33ebab16e651dd [2021-11-25 20:15:50,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:15:50,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:15:50,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:15:50,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:15:50,741 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:15:50,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2021-11-25 20:15:50,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/data/b8cabc775/49e3a64288dd45aa958e30c18f738191/FLAGb6c23f2e1 [2021-11-25 20:15:51,411 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:15:51,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i [2021-11-25 20:15:51,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/data/b8cabc775/49e3a64288dd45aa958e30c18f738191/FLAGb6c23f2e1 [2021-11-25 20:15:51,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/data/b8cabc775/49e3a64288dd45aa958e30c18f738191 [2021-11-25 20:15:51,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:15:51,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:15:51,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:15:51,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:15:51,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:15:51,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:15:51" (1/1) ... [2021-11-25 20:15:51,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1ec6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:51, skipping insertion in model container [2021-11-25 20:15:51,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:15:51" (1/1) ... [2021-11-25 20:15:51,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:15:51,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:15:52,232 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_fe2f231b-36e3-4164-81a3-0f809a24d2f7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2021-11-25 20:15:52,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:15:52,418 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:15:52,457 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_fe2f231b-36e3-4164-81a3-0f809a24d2f7/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-2.i[33021,33034] [2021-11-25 20:15:52,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:15:52,632 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:15:52,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52 WrapperNode [2021-11-25 20:15:52,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:15:52,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:15:52,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:15:52,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:15:52,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:52,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:52,842 INFO L137 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1308 [2021-11-25 20:15:52,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:15:52,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:15:52,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:15:52,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:15:52,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:52,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:52,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:52,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:52,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:52,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:53,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:53,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:15:53,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:15:53,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:15:53,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:15:53,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (1/1) ... [2021-11-25 20:15:53,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:15:53,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:15:53,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:15:53,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:15:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:15:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:15:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:15:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:15:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:15:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:15:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:15:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:15:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:15:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:15:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:15:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:15:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:15:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:15:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:15:53,529 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:15:53,531 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:15:54,825 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:15:55,244 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:15:55,244 INFO L301 CfgBuilder]: Removed 69 assume(true) statements. [2021-11-25 20:15:55,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:15:55 BoogieIcfgContainer [2021-11-25 20:15:55,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:15:55,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:15:55,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:15:55,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:15:55,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:15:51" (1/3) ... [2021-11-25 20:15:55,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e98659a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:15:55, skipping insertion in model container [2021-11-25 20:15:55,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:15:52" (2/3) ... [2021-11-25 20:15:55,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e98659a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:15:55, skipping insertion in model container [2021-11-25 20:15:55,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:15:55" (3/3) ... [2021-11-25 20:15:55,259 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-2.i [2021-11-25 20:15:55,266 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:15:55,266 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:15:55,330 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:15:55,339 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 20:15:55,339 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:15:55,380 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 20:15:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:15:55,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:55,390 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:55,391 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:15:55,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:55,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1510987453, now seen corresponding path program 1 times [2021-11-25 20:15:55,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:55,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131601817] [2021-11-25 20:15:55,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:55,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:55,652 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 20:15:55,652 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:55,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131601817] [2021-11-25 20:15:55,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131601817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:55,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:55,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:15:55,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807746802] [2021-11-25 20:15:55,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:55,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:15:55,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:55,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:15:55,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:15:55,701 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 20:15:57,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:57,677 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2021-11-25 20:15:57,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:15:57,684 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 20:15:57,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:57,696 INFO L225 Difference]: With dead ends: 375 [2021-11-25 20:15:57,697 INFO L226 Difference]: Without dead ends: 220 [2021-11-25 20:15:57,701 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 20:15:57,704 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 20:15:57,705 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 20:15:57,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-25 20:15:57,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2021-11-25 20:15:57,755 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 20:15:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2021-11-25 20:15:57,759 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2021-11-25 20:15:57,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:57,759 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2021-11-25 20:15:57,759 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 20:15:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-25 20:15:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 20:15:57,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:57,763 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 20:15:57,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:15:57,764 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:15:57,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:57,765 INFO L85 PathProgramCache]: Analyzing trace with hash -660444059, now seen corresponding path program 1 times [2021-11-25 20:15:57,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:57,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202737988] [2021-11-25 20:15:57,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:57,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:58,027 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:15:58,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639527242] [2021-11-25 20:15:58,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:58,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:15:58,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:15:58,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:15:58,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:15:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:59,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:15:59,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:15:59,647 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 20:15:59,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:15:59,841 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 20:15:59,841 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:59,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202737988] [2021-11-25 20:15:59,842 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:15:59,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639527242] [2021-11-25 20:15:59,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639527242] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:15:59,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2100397076] [2021-11-25 20:15:59,898 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2021-11-25 20:15:59,899 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:15:59,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:15:59,917 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:15:59,918 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:16:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:00,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,119 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:16:00,121 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 20:16:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,154 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 20:16:00,196 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:16:00,196 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 20:16:00,214 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 20:16:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,239 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 20:16:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,699 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 20:16:00,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,733 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 20:16:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,766 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 20:16:00,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,795 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 20:16:00,847 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:16:00,847 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 20:16:00,891 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:16:00,892 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 20:16:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,910 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 20:16:00,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,930 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 20:16:00,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:00,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:00,948 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 20:16:01,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 20:16:01,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,374 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 20:16:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,408 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 20:16:01,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:01,437 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 20:16:01,467 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:16:02,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2100397076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:16:02,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:16:02,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 20:16:02,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623635248] [2021-11-25 20:16:02,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:16:02,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:16:02,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:16:02,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:16:02,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:16:02,523 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 20:16:06,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:16:06,068 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2021-11-25 20:16:06,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:16:06,081 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 20:16:06,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:16:06,082 INFO L225 Difference]: With dead ends: 265 [2021-11-25 20:16:06,083 INFO L226 Difference]: Without dead ends: 140 [2021-11-25 20:16:06,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 20:16:06,085 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:16:06,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 20:16:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-25 20:16:06,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2021-11-25 20:16:06,117 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 20:16:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2021-11-25 20:16:06,124 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2021-11-25 20:16:06,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:16:06,124 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2021-11-25 20:16:06,125 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 20:16:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-25 20:16:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 20:16:06,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:16:06,129 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 20:16:06,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:16:06,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:16:06,357 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:16:06,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:16:06,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2080398640, now seen corresponding path program 1 times [2021-11-25 20:16:06,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:16:06,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352342518] [2021-11-25 20:16:06,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:16:06,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:16:06,528 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:16:06,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [68775742] [2021-11-25 20:16:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:16:06,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:16:06,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:16:06,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:16:06,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:16:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:16:07,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 2181 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:16:07,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:16:07,987 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 20:16:07,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:16:08,195 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 20:16:08,195 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:16:08,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352342518] [2021-11-25 20:16:08,196 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:16:08,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68775742] [2021-11-25 20:16:08,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68775742] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:16:08,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2075053176] [2021-11-25 20:16:08,201 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 20:16:08,201 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:16:08,202 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:16:08,202 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:16:08,202 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:16:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,395 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 20:16:08,434 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 20:16:08,435 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 20:16:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,451 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 20:16:08,552 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:16:08,552 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 20:16:08,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:08,575 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 20:16:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,926 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 20:16:08,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,955 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 20:16:08,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:08,983 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 20:16:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,008 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 20:16:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,048 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 20:16:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,067 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 20:16:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,117 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 20:16:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,143 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 20:16:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,201 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 20:16:09,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,236 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 20:16:09,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,265 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 20:16:09,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,285 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 20:16:09,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,325 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 20:16:09,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:09,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,589 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:16:09,590 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 20:16:09,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,615 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 20:16:09,665 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:16:09,666 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 20:16:09,678 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 20:16:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:09,696 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 20:16:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,009 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 20:16:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,037 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 20:16:10,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,080 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 20:16:10,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,100 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 20:16:10,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,168 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 20:16:10,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,188 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 20:16:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,208 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 20:16:10,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,263 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 20:16:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,291 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 20:16:10,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:10,332 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 20:16:10,412 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:16:10,412 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 20:16:10,429 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 20:16:10,699 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2021-11-25 20:16:10,793 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 20:16:13,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [2075053176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:16:13,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 20:16:13,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 20:16:13,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033434594] [2021-11-25 20:16:13,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:16:13,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 20:16:13,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:16:13,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 20:16:13,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:16:13,101 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 20:16:17,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:16:17,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:16:17,298 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2021-11-25 20:16:17,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 20:16:17,299 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 20:16:17,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:16:17,301 INFO L225 Difference]: With dead ends: 267 [2021-11-25 20:16:17,301 INFO L226 Difference]: Without dead ends: 142 [2021-11-25 20:16:17,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 20:16:17,304 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:16:17,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 465 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 77 Unchecked, 4.2s Time] [2021-11-25 20:16:17,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-25 20:16:17,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-25 20:16:17,324 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 20:16:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2021-11-25 20:16:17,326 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2021-11-25 20:16:17,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:16:17,326 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2021-11-25 20:16:17,327 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 20:16:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2021-11-25 20:16:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 20:16:17,330 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:16:17,330 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 20:16:17,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:16:17,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:16:17,557 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:16:17,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:16:17,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2054535782, now seen corresponding path program 1 times [2021-11-25 20:16:17,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:16:17,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634384404] [2021-11-25 20:16:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:16:17,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:16:17,707 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:16:17,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [708587233] [2021-11-25 20:16:17,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:16:17,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:16:17,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:16:17,709 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:16:17,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe2f231b-36e3-4164-81a3-0f809a24d2f7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:16:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:16:18,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:16:18,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:16:18,933 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 20:16:18,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:16:19,115 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 20:16:19,115 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:16:19,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634384404] [2021-11-25 20:16:19,115 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:16:19,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708587233] [2021-11-25 20:16:19,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708587233] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:16:19,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1086603565] [2021-11-25 20:16:19,120 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2021-11-25 20:16:19,120 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:16:19,121 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:16:19,121 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:16:19,121 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:16:19,247 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:16:19,248 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 20:16:19,258 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 20:16:19,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,270 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 20:16:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:16:19,279 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 20:16:19,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,298 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 20:16:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,505 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 20:16:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,522 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 20:16:19,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,544 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 20:16:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,561 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 20:16:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,592 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 20:16:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,622 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 20:16:19,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,641 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 20:16:19,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,684 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 20:16:19,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,747 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 20:16:19,793 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:16:19,793 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 20:16:19,813 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 20:16:19,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:19,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 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 20:16:19,923 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 20:16:19,927 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 20:16:19,930 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 20:16:19,970 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:16:19,970 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 20:16:19,998 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:16:19,998 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 20:16:20,025 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:16:20,025 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 20:16:20,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 20:16:20,064 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 20:16:20,069 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 20:16:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,125 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 20:16:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,150 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 20:16:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,170 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 20:16:20,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,281 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 20:16:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,297 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 20:16:20,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:20,318 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 20:16:30,048 WARN L227 SmtUtils]: Spent 9.59s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 20:16:30,050 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:16:30,050 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 20:16:30,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:37,853 WARN L227 SmtUtils]: Spent 7.67s 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 20:16:37,854 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:16:37,854 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 20:16:38,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:38,609 INFO L244 Elim1Store]: Index analysis took 566 ms [2021-11-25 20:16:51,020 WARN L227 SmtUtils]: Spent 12.02s 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 20:16:51,021 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:16:51,022 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 20:16:51,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:51,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:51,682 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-25 20:16:51,684 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 20:16:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:51,975 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 20:16:52,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:52,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:52,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:52,763 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:16:52,764 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 20:16:53,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:53,276 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:16:53,276 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 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 20:16:53,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:53,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:53,469 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 20:16:53,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:53,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:53,578 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:16:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:16:54,109 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:16:54,109 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